Seiko Cal. 3870 - 696

This Hand-Winding model from 1970 features a 38mm PVD Black case. Powered by the 3870 caliber with 36j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-cc55d1f179fd]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1970

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