Optimum OS 300 Series OS 315, yellow

Item #: OS300A

Optimum OS 300 series

features:

Large 65mm overall Abs case with adjustable viewing Angle

38mm x 20mm display size with 16mm digit height

Boom/Mast Mount Bracket Supplied

Elasticated Strap for Wrist or sleeve weraring

Water Resisant to 5 ATM and Shock Resistant Construction

Normal TimeKeeping Mode plus specialist Sailing Timer Functions:

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 (5 minute, 3 minute and 1 minute programs aswell

"Sync Button" for instant synchronisation if a gun is missed
OS315: yellow, 1 row display
OS336: red, 2 row display, alarm
OS367: Bright Blue, 2 row display, alarm, tide, compass & backlight