Seiko Cal. 7143 - 539

This Hand-Winding model from 1991 features a 40mm Hardlex-Coated Steel case. Powered by the 7143 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-d617549910b8]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1991

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