Seiko Cal. 7154 - 371

This Spring Drive model from 1971 features a 36mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-b4acb95149c6]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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