Seiko Cal. 3879 - 957

This Hand-Winding model from 1977 features a 41mm Stainless Steel case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-c4f61bda6e0f]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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