Seiko Cal. 7143 - 852

This Spring Drive model from 1990 features a 46mm Gold-Plated case. Powered by the 7143 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-da90b9164dc5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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