Seiko Cal. 7143 - 521

The 7143-521 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7143 caliber with 22j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-151468f0e886]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1990

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