Seiko Cal. 7155 - 539

This Spring Drive model from 1965 features a 45mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-c50f9c9a13f3]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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