Seiko Cal. 6694 - 401

This Spring Drive model from 1971 features a 40mm Gold-Plated case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-16fa80d75446]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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