Seiko Cal. 4531 - 571

The 4531-571 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4531 caliber with 22j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9f0436c7b2ff]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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