Seiko Cal. 6641 - 775

This Hand-Winding model from 1979 features a 40mm Two-Tone case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-db04e7360163]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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