Seiko Cal. 7143 - 740

This Automatic model from 1982 features a 35mm Hardlex-Coated Steel case. Powered by the 7143 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-3fc27dbe1eb0]

Also known as: Crown, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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