Quick View Compare Optimum Time OS SERIES 3 $99.95 (Ex. Tax) $109.95 (Inc. Tax) Large 65mm overall ABS case 38mm x 20mm display size Massive 16mm digit height Single row display Adjustable Viewing Angle Boom/Mast Mount Bracket Supplied Elasticated Strap for Wrist or over sleeve wearing Water Resistant to 5 ATM Shock... Pick Options