Seiko Cal. 7178 - 638

This Spring Drive model from 1967 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-bcc409a2b803]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1967

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