Seiko Cal. 5641 - 495

The Seiko 5641-495 represents an important milestone in Seiko's 1966 lineup. Powered by the 5641 caliber with 17j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-8febb7a2aae2]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

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