Seiko Cal. 7018 - 528

Seiko 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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