Seiko Cal. 3850 - 103

This Spring Drive model from 1981 features a 41mm Hardlex-Coated Steel case. Powered by the 3850 caliber with 34j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-412817995ebb]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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