Seiko Cal. 6641 - 761

This Automatic model from 1965 features a 41mm Hardlex-Coated Steel case. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-af01fbf5a2b4]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1965

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