Seiko Cal. 6653 - 937

This Spring Drive model from 1990 features a 45mm Stainless Steel case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-7b4db62ef54b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1990

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