Seiko Cal. 5675 - 643

The Seiko 5675-643 represents an important milestone in Seiko's 1967 lineup. Powered by the 5675 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-90b6d5d5f9cd]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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