Seiko Cal. 6642 - 651

This Hand-Winding model from 1988 features a 39mm Two-Tone case. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-b0b5a2523000]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

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