Seiko Cal. 7188 - 729

This Automatic model from 1980 features a 36mm Hardlex-Coated Steel case. Powered by the 7188 caliber with 36j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-fc0f4e48f43d]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1980

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