Seiko Cal. 6154 - 622

This Spring Drive model from 1979 features a 35mm Titanium case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-debc830cdbfb]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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