Seiko Cal. 7181 - 508

This Spring Drive model from 1970 features a 38mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-4725d1bffb2a]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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