Seiko Cal. 7173 - 940

The 7173-940 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7173 caliber with 29j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-66afa1156cd6]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1969

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