Seiko Cal. 5664 - 233

This Spring Drive model from 1989 features a 41mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-fe7f0b83f661]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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