Seiko Cal. 6641 - 621

This Spring Drive model from 1974 features a 35mm Gold-Plated case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6da05e6561bc]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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