Seiko Cal. 6642 - 863

The Seiko 6642-863 represents an important milestone in Seiko's 1975 lineup. Powered by the 6642 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e0994aa55fd1]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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