Seiko Cal. 4481 - 578

This Spring Drive model from 1972 features a 46mm Titanium case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d9c2d8b33bbe]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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