Seiko Cal. 6637 - 497

This Quartz model from 1986 features a 43mm Hardlex-Coated Steel case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-86be72fedea1]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1986

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