Seiko Cal. 6641 - 862

The Seiko 6641-862 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-ab2637978aee]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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