Seiko Cal. 6637 - 892

This Automatic model from 1981 features a 43mm PVD Black case. Powered by the 6637 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-f7ab536ae83a]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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