Seiko Cal. 4571 - 730

This Spring Drive model from 1973 features a 44mm Titanium case. Powered by the 4571 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-de23a478963d]

Also known as: Samurai, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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