Seiko Cal. 5641 - 401

This Quartz model from 1968 features a 36mm Hardlex-Coated Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b6e9763ef3dc]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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