Seiko Cal. 3868 - 931

This Automatic model from 1977 features a 40mm PVD Black case. Powered by the 3868 caliber with 32j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-383e92546f8e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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