Seiko Cal. 6641 - 876

The Seiko 6641-876 represents an important milestone in Seiko's 1982 lineup. Powered by the 6641 caliber with 28j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-1f9518da77f9]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1982

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