Seiko Cal. 7175 - 428

This Spring Drive model from 1970 features a 36mm PVD Black case. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-b5a0c43cc47a]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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