Seiko Cal. 6637 - 652

This Automatic model from 1988 features a 45mm Gold-Plated case. Powered by the 6637 caliber with 19j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-60a00b3c18ab]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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