Seiko Cal. 6637 - 373

This Solar model from 1972 features a 40mm Gold-Plated case. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-25fd6885d988]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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