Seiko Cal. 6641 - 842

The Seiko 6641-842 represents an important milestone in Seiko's 1985 lineup. Powered by the 6641 caliber with 26j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-302e7667f286]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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