Seiko Cal. 7018 - 528

This Automatic model from 1987 features a 40mm Hardlex-Coated Steel case. Powered by the 7018 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-5d3eee558d1d]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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