Seiko Cal. 6642 - 764

The Seiko 6642-764 represents an important milestone in Seiko's 1982 lineup. Powered by the 6642 caliber with 19j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-9c08df8547da]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1982

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