Seiko Cal. 7173 - 757

This Solar model from 1965 features a 42mm PVD Black case. Powered by the 7173 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-dd8825bad9a2]

Also known as: Tuna, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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