Seiko Cal. 7143 - 764

The 7143-764 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7143 caliber with 17j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-8369e51041ac]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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