Seiko Cal. 6641 - 654

This Quartz model from 1974 features a 34mm Hardlex-Coated Steel case. Powered by the 6641 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-a2dfb0964fc5]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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