SEIKO-Prospex SPEEDTIMER SRQ057 Gts it's a timepiece that's both

it's a timepiece that's both durable and easily wearable

Sleep Measurement: Sleep recovery status (6 stages)

800 A/m Features Dial with diamond(s)

You may discover a look that's as individual as you are

The watch is powered by OMEGA’s Co-Axial Master Chronometer Calibre 8806

SEIKO-Prospex SPEEDTIMER SRQ057 Gts it's a timepiece that's bothCaliber Number 8R48 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 45 hours Jewels 34 Functions Chronograph with 30 minutes & 12 hours Stop second hand function Date display Case Band Case Material Stainless steel (hard coating) Case Size Thickness: 14. 6mm Diameter: 42. 0mm Lug to lug: 49. 5mm Crystal Dual curved sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite