Steel on leather strap 3188.8.131.52.01.001
- Complicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).The day of the month, displayed in a window on a watch dial typically at the 3 o’clock or 6 o’clock position.A transparent case back – frequently made of sapphire – makes it possible to see the movement inside the watch.A tachymeter is an instrument for measuring speed. It is a chronograph with a graduated dial on which speed can be read off in kilometres per hour based on 1000 metres distance.A hand on a sub-dial which tracks seconds; typically it completes a full rotation in one minute.
- technical data
- CrystalScratch-resistant sapphire crystal with anti-reflective treatment on both sides
Water resistance100 m (330 feet)
SizeGentsCase Diameter: 44.25 mm
- Caliber: omega watches 9300Self-winding chronograph movement with column wheel mechanism and Co-Axial Escapement for greater precision stability and durability of the movement. Silicon balance-spring on free sprung-balance, 2 barrels mounted in series, automatic winding in both directions to reduce winding time. Rhodium plated finish with exclusive Geneva waves in arabesque.
Power reserve: 60 hours