Seiko Cal. 3877 - 378

This Hand-Winding model from 1988 features a 40mm PVD Black case. Powered by the 3877 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-5acdea3b1fe5]

Also known as: Pogue, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1988

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