Seiko Cal. 6637 - 151

This Hand-Winding model from 1993 features a 45mm PVD Black case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-7bd9f5844f42]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1993

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