Seiko Cal. 7172 - 474

This Spring Drive model from 1978 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-47fde5561004]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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