Seiko Cal. 6178 - 997

This Spring Drive model from 1975 features a 41mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-f1a1996dd918]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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