Seiko Cal. 0731 - 582

This Hand-Winding model from 1994 features a 37mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7b8e8669398e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1994

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