Seiko Cal. 7140 - 257

This Solar model from 1982 features a 39mm Hardlex-Coated Steel case. Powered by the 7140 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-3ea8f7670227]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

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