Seiko Cal. 6637 - 184

This Spring Drive model from 1976 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-442ed233d4cc]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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