Seiko Cal. 6637 - 655

The 6637-655 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-df364124785b]

Also known as: Shogun, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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