Seiko Cal. 6178 - 731

This Hand-Winding model from 1995 features a 41mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-7fc8786cf1f9]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1995

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