Seiko Cal. 6622 - 640

This Hand-Winding model from 1971 features a 46mm Two-Tone case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-6c1ef8dffae0]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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