Seiko Cal. 4581 - 292

This Spring Drive model from 1974 features a 46mm Stainless Steel case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a9944c96c110]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1974

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