Seiko Cal. 3858 - 939

This Spring Drive model from 1967 features a 45mm Stainless Steel case. Powered by the 3858 caliber with 31j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-6ad86317e212]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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