Seiko Cal. 7187 - 790

This Spring Drive model from 1974 features a 34mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-3b24b76d46c8]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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