Seiko Cal. 6637 - 700

This Quartz model from 1981 features a 43mm Titanium case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4800fa7ff449]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1981

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