Seiko Cal. 7173 - 920

The Seiko 7173-920 represents an important milestone in Seiko's 1970 lineup. Powered by the 7173 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-267ec85d85d5]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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