Seiko Cal. 7143 - 639

This Quartz model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 7143 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-372e6c45319d]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1987

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