Seiko Cal. 7163 - 370

This Spring Drive model from 1970 features a 34mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-60a0eca6f9d4]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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