Seiko Prospex SRQ053 Speedtimer Chronograph Black Dial Automatic EPURATO Band: Resin

Band: Resin

This is what the name "BlueMoon" stands for - which is also the name of the second full moon of a month

screw-in crown

which includes an advanced metric altimeter

Seiko Prospex SRQ053 Speedtimer Chronograph Black Dial Automatic EPURATO Band: ResinCaliber Number: 8R48 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power Reserve: Approx. 45 hours Jewels: 34 Case Material: Stainless steel (super hard coating) Case Thickness: 14. 6mm Case Diameter: 42. 0mm Lug to Lug: 49. 5mm Crystal: Dual curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: LumiBrite on hands and index(es) Clasp: Three fold clasp with push button release