SSEERRIIEESST H E U L T I M A T E

OS

OO PP TT II MM UU MM TT II MM EE

O P T I M U M T I M E

T W O

OS 121A C T U A L S I Z E OS121Features

O ABS Case with integrated soft touch PU StrapO Heavy-duty stainless steel buckleO 26mm round display size O Large 10mm digit height O Single row displayO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missed O Electro-luminescence backlight feature

OS122Features

O ABS Case with integrated soft touch PU StrapO Heavy-duty stainless steel buckleO 26mm round display size O Large 10mm digit height O Single row displayO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missed O Electro-luminescence backlight feature

OS 122A C T U A L S I Z E

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OS 223A C T U A L S I Z E OS223Features

O ABS Case with removable soft touch PU strapO Heavy-duty stainless steel buckleO 26mm round display size O Large 10mm digit height O Single row displayO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missed O Electro-luminescence backlight feature

OS 225A C T U A L S I Z E

OS225Features

O ABS Case with removable soft touch PU strapO Heavy-duty stainless steel buckleO 26mm round display size O Large 10mm digit height O Single row displayO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missed O Electro-luminescence backlight feature

OS 220 JLA C T U A L S I Z E

OS220JL/OS224JL/OS227JLFeatures

O ABS Case with removable soft touch PU strapO Heavy-duty stainless steel buckleO 18mm round display size O 9mm digit height O Single row displayO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute programs as wellO “Sync Button” for instant synchronisation if a gun is missed O Electro-luminescence backlight feature

O P T I M U M T I M E

F O U R

OS 227 JLA C T U A L S I Z E

OS 224 JLA C T U A L S I Z E

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OS 315A C T U A L S I Z E

OS315Features

O Large 65mm overall ABS caseO 38mm x 20mm display size O Massive 16mm digit height O Single row displayO Adjustable Viewing AngleO Boom/Mast Mount Bracket SuppliedO Elasticated Strap for Wrist or over sleeve wearingO Water Resistant to 5 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with audible warning

signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute programs as wellO “Sync Button” for instant synchronisation if a gun is missed

O P T I M U M T I M E

S I X

OS336Features

O Large 65mm overall ABS caseO 38mm x 20mm display size O 2-Row DisplayO Large 9mm high upper digits and 5mm lower digitsO Adjustable Viewing AngleO Boom/Mast Mount Bracket SuppliedO Elasticated Strap for Wrist or over sleeve wearingO Water Resistant to 5 ATMO Shock Resistant ConstructionO Easy function selection via dot matrix displayO Benefit from viewing real time and sailing timer together O Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed

with audible warning signals (can be silenced if preferred)

O 5 minute, 3 minute and multiples of 1 minuteprograms as well

O “Sync Button” for instant synchronisation if a gun is missed

OS 336A C T U A L S I Z E

OS 367A C T U A L S I Z E

OS367Features

Has the same features as The OS 336 plus:

O Tide predictor to give indication of high and low tide for3 locations on any date. Works on a calculation methodof 12 hrs 25 minutes and 14 seconds

O Tide graph to show state of the tide at the presenttime Electronic Compass with arrow to point at target

O Indication of position of North, plus 3 digit bearingreading to within one degree

O Cardinal Bearing shown on dot matrix panel (e.g. NNW)O Declination (Variation) Angle adjustment for worldwide useO Electro-luminescence backlight feature

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OS463Features

Has the same features as The OS 434 plus:

O Tide predictor to give indication of high and low tide for3 locations on any date. Works on a calculation methodof 12 hrs 25 minutes and 14 seconds

O Tide graph to show state of the tide at the present timeO Electronic Compass with arrow to point at targetO Indication of position of North, plus 3 digit bearing

reading to within one degreeO Cardinal Bearing shown on dot matrix panel (e.g. NNW)O Declination (Variation) Angle adjustment for worldwide useO Electro-luminescence backlight feature

OS 434A C T U A L S I Z E

OS 463A C T U A L S I Z E

OS434Features

O Fashionably oversized ABS case with soft touch PUstrap

O Heavy-duty Stainless Steel BuckleO 37mm round display size O 2-Row displayO Large 11mm high upper digits and 6mm high lower

digitsO Water Resistant to 5 ATMO Shock Resistant ConstructionO Easy function selection via dot matrix displayO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missedO Electro-luminescence backlight feature

O P T I M U M T I M E

E I G H T

OS628B/OS628MFeatures

O Rugged Stainless Steel CaseO Fashionable silicon rubber strapO Heavy-duty Stainless Steel BuckleO 26mm round display size O Large10mm digit height O Single row displayO Water Resistant to 10 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for handicap

racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun is

missedO Electro-luminescence backlight feature

OS 545A C T U A L S I Z E

OS 628BA C T U A L S I Z E

OS 628MA C T U A L S I Z E

OS545Features

O Large 90mm x 63mm overall ABS caseO 50mm x 38mm oval display size O 2-Row displayO Massive 17mm upper digit height and 9mm lower digit height O Lanyard, karabiner, and clipboard mount optionsO Water Resistant to 3 ATMO Shock Resistant ConstructionO Easy function selection via dot matrix displayO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with audible

warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute programs as wellO “Sync Button” for instant synchronisation if a gun is missedO Electronic Compass with arrow to point at targetO Indication of position of North, plus 3 digit bearing to 1 degreeO Cardinal Bearing shown on dot matrix panel (e.g. NNW)O Declination (Variation) Angle adjustment for worldwide useO Electro-luminescence backlight feature

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OS698MFeatures

O Analogue traditional watch face with luminous handsO Sweep second handO Rugged Stainless Steel CaseO Fashionable silicon rubber strapO Heavy-duty Stainless Steel BuckleO 30mm round dial size O 5mm digit height O Single row displayO Water Resistant to 10 ATMO Shock Resistant ConstructionO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun is missedO Electro-luminescence backlight feature

O Rugged Round Stainless Steel Case O Fashionable silicon rubber strapO Heavy-duty Stainless Steel BuckleO 30mm round dial size O Shock Resistant ConstructionO Analogue chronograph watch with luminous handsO Carbon fibre look dialO Sweep second handO Date display dialO Water Resistant to 10 ATMO Shock Resistant ConstructionO Stopwatch function on 3 smaller dials

OS688C/OS688MFeatures

OS 698MA C T U A L S I Z E

OS 688CA C T U A L S I Z E

OS 688MA C T U A L S I Z E

O P T I M U M T I M E

T E N

OS 738A C T U A L S I Z E

OS738Features

O Rugged Square Stainless Steel Case O Soft-touch PU strapO Heavy-duty Stainless Steel BuckleO 23mm x 23mm display size O 2-Row DisplayO Large 10mm upper digit height and 5mm lower

digit height O Water Resistant to 5 ATMO Shock Resistant ConstructionO Easy function selection via dot matrix displayO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date)O Alarm function (for wake up calls etc)O Specialist Sailing Timer Functions:O Countdown repeat option orO Countdown and Up to show elapsed time for

handicap racesO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun

is missedO Electro-luminescence backlight feature

OS 788A C T U A L S I Z E

OS788Features

O Rugged Square Stainless Steel Case O Soft-touch PU strapO Heavy-duty Stainless Steel BuckleO 23mm x 23mm dial size O Shock Resistant ConstructionO Analogue chronograph watch with luminous handsO Carbon fibre look dialO Sweep second handO Date display dialO Water Resistant to 5 ATMO Shock Resistant ConstructionO Stopwatch function on 3 smaller dials

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OS 869MA C T U A L S I Z E

OS869B/OS869M/OS969Features

O Rugged Alloy Case O Soft-touch strap with heavy-duty Stainless Steel BuckleO Large display size with 2-Row DisplayO Large 11mm upper and 6 mm lower digit heightsO Water Resistant to 3 ATM with Shock Resistant

ConstructionO Easy function selection via dot matrix displayO Normal Timekeeping Mode (12 or 24 Hour)O Calendar Function (date/month or month/date) plus

Alarm functionO Specialist Sailing Timer Functions:O Countdown repeat option + countdown and up to show

elapsed timeO 5,4,1,0 ISAF start sequence pre-programmed with

audible warning signals (can be silenced if preferred)O 5 minute, 3 minute and multiples of 1 minute

programs as wellO “Sync Button” for instant synchronisation if a gun is missedO Tide predictor to give indication of high and low tide for

3 locations. Works on a calculation method of 12 hrs,25 mins, 14 secs

O Tide graph to show state of the tide at the present timeO Electronic Compass with arrow to point at targetO Indication of position of North, plus 3 digit bearing to1degreeO Cardinal Bearing shown on dot matrix panel (e.g. NNW)O Declination (Variation) Angle adjustment for worldwide useO Electro-luminescence backlight feature

OS 969A C T U A L S I Z E

OS 869BA C T U A L S I Z E

Optimum Time Ltd,PO Box 39, Market Deeping,

Peterborough, PE6 8XQ,United Kingdom

Tel: +44 (0)1733 333324Fax: +44 (0)1733 333700

Email: info@optimumtime.co.ukWeb: www.optimumtime.co.uk

To find your local stockist please go to http://www.optimumtime.co.uk/Contacts_and_Stockists

Designed and printed by statusdesign.co.uk

Photographs are for illustrative purposes only. Styles and colours may vary from those illustrated. E & OE WW

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