Seiko Cal. 6642 - 819

This Spring Drive model from 1966 features a 35mm Hardlex-Coated Steel case. Powered by the 6642 caliber with 27j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-06e8e253f8e3]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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