Seiko Cal. 6624 - 139

This Spring Drive model from 1977 features a 44mm Titanium case. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-52cea95bc82d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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