Seiko Cal. 5634 - 655

This Spring Drive model from 1999 features a 41mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-874e1259c45b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1999

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