Seiko Cal. 6640 - 695

This Hand-Winding model from 1983 features a 46mm PVD Black case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-4ba3f94d275b]

Also known as: Samurai, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1983

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