Seiko Cal. 6641 - 371

This Spring Drive model from 1990 features a 40mm Stainless Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-03c47d17bbc4]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1990

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