Seiko Cal. 3876 - 665

This Automatic model from 1978 features a 43mm Stainless Steel case. Powered by the 3876 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-630804fb884d]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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