Seiko Cal. 5642 - 686

The Seiko 5642-686 represents an important milestone in Seiko's 1974 lineup. Powered by the 5642 caliber with 34j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-50b06717a594]

Also known as: Sea Horse, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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