Seiko Cal. 7178 - 442

This Spring Drive model from 1975 features a 46mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-7e1b562e0832]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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