Seiko Prospex Sea 1965 Heritage Diver's 40 MM Automatic Watch SPB453J1 Air Jordan The watch is powered by

The watch is powered by Caliber 9S65 which delivers a power reserve of 72 hours and a precision rate of +5 to -3 seconds a day

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LumiBrite: LumiBrite on Hands

For modern mariners

Seiko Prospex Sea 1965 Heritage Diver's 40 MM Automatic Watch SPB453J1 Air Jordan The watch is powered byCaliber Number: 6R55 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power reserve: Approx. 72 hours(3 days) Jewels: 24 Stop second hand function Case Material: Stainless steel Case Size Thickness: 13. 0mm Diameter: 40. 0mm Lug to lug: 46. 4mm Crystal: 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