Seiko Cal. 0731 - 732

This Solar model from 1975 features a 45mm PVD Black case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-5a9f3e56a3f2]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1975

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