Seiko Cal. 0733 - 631

This Solar model from 1975 features a 37mm Gold-Plated case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-8e939bd99b85]

Also known as: UFO, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1975

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