Customer notice: We are delighted to announce that we have re-opened our Port Solent store. We have implemented several social distancing measures to keep our customers and staff safe. These include a one-way system with separate entrance and exit, hand sanitiser station and 2m markings around the store. See full COVID-19 measures and restrictions here.

Our temporary opening hours are 8am - 5pm Monday-Saturday & 9am - 5pm Sunday.

Optimum Time Jumbo Sailing Watch

Click on an image to display a larger detailed image.


Optimum Time Jumbo Sailing Watch







The original Optimum Time concept and still the most popular sailing watch in the world by far. If you want a very large display with the perfect functions for sailing in a jumbo easily visible watch, start by looking at the OS3. This timer can be strapped to the mast, strapped to the boom, worn on the wrist, over a wetsuit or clothing and can be rotated for the best viewing angle.

  • Tough, shock resistant 65mm diameter plastic ABS case
  • Black outer housing for deck or bulkhead mounting
  • 38mm x 20mm display size
  • Massive 16mm digit height
  • Single row LCD display
  • Adjustable Viewing Angle
  • Boom/Mast Mount Bracket Supplied
  • Strong, long elasticated strap for wrist or over sleeve wearing with easily adjustable buckle
  • Water Resistant to 5 ATM with Hydrolock dual-seal technology
  • Shock Resistant Construction
  • Normal Timekeeping Mode (12 or 24 Hour)
  • Countdown repeat option or Countdown and Up to show elapsed time for handicap races
  • 5,4,1,0 ISAF start sequence pre-programmed with audible warning signals (can be silenced if preferred)
  • 5 minute, 3 minute and multiples of 1 minute programs as well
  • "Sync Button" for instant synchronisation if a gun is missed
  • Count up from zero
Size/ColourPart NumberStock AvailabilityPrice
Blue99415747 6 at 10/07 15:24 £59.95 Add to Basket
White99415761 3 at 10/07 15:24 £59.95 Add to Basket
Yellow12387 4 at 10/07 15:24 £59.95 Add to Basket