Seiko Cal. 6639 - 222

This Hand-Winding model from 1965 features a 37mm Titanium case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-4205cd511514]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

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