Seiko Cal. 3870 - 106

This Hand-Winding model from 1979 features a 41mm PVD Black case. Powered by the 3870 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e0d961e44430]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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