Seiko Cal. 3881 - 364

This Automatic model from 1991 features a 42mm PVD Black case. Powered by the 3881 caliber with 18j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b7f4b0bf39d2]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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