Seiko Cal. 5642 - 650

The Seiko 5642-650 represents an important milestone in Seiko's 1970 lineup. Powered by the 5642 caliber with 27j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ccc62739041e]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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