Seiko Cal. 7180 - 108

This Spring Drive model from 1977 features a 39mm Gold-Plated case. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-0f0a845873c6]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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