Seiko Prospex Sea Automatic With Manual Winding 42.6mm Watch 1968 Heritage Diver's Edition Power Reserve Indicator the CHRONOMASTER Original’s tricolour dial

the CHRONOMASTER Original’s tricolour dial stands out for its distinctively contemporary take on one of ZENITH’s most emblematic timepieces

which emphasises the visual effect of movement

The watch boasts a power reserve of 68 hours – the best part of three days – so you can take it off on Friday and be sure it will still be keeping time on Monday morning

The Slimline Heart Beat Automatic reveals its heart beat at the 12 o'clock and features curved

Seiko Prospex Sea Automatic With Manual Winding 42.6mm Watch 1968 Heritage Diver's Edition Power Reserve Indicator the CHRONOMASTER Original’s tricolour dialCaliber Number: 8L35 Movement Type: Automatic with manual winding Precision:+15 to 10 seconds per day Power reserve: Approx. 50 hours Jewels: 26 Case Material Stainless steel Case Thickness: 13. 1mm Case Diameter: 42. 6mm Lug to lug: 49. 3mm Crystal: Dual curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: LumiBrite on hands, index(es) and bezel Clasp: Three fold clasp with secure lock , push button release