Seiko Cal. 7150 - 104

This Spring Drive model from 1979 features a 42mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-adf5342d8de4]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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