Seiko Cal. 3861 - 335

This Automatic model from 1974 features a 40mm Stainless Steel case. Powered by the 3861 caliber with 22j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-f80bb817ff62]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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