Seiko Cal. 3854 - 742

This Spring Drive model from 1971 features a 44mm Stainless Steel case. Powered by the 3854 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-714308b466b4]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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