Seiko Cal. 3812 - 187

This Spring Drive model from 1978 features a 43mm PVD Black case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d860490f9200]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1978

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