Seiko Cal. 4591 - 731

This Spring Drive model from 1971 features a 43mm Titanium case. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-120e4aa8fd57]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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