Seiko Cal. 6644 - 593

This Hand-Winding model from 1973 features a 43mm PVD Black case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-e93b72920b7c]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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