Seiko Cal. 7148 - 654

This Spring Drive model from 1982 features a 38mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-207106c66835]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1982

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