Seiko Cal. 4530 - 631

This Automatic model from 1973 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5eae6abcdc44]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1973

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