Seiko Cal. 7163 - 640

The Seiko 7163-640 represents an important milestone in Seiko's 1973 lineup. Powered by the 7163 caliber with 33j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-f11786d1fd69]

Also known as: Samurai, Pogue

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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