Seiko Cal. 6173 - 720

This Solar model from 1973 features a 37mm Stainless Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e71d1b863b41]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1973

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