Seiko Cal. 6618 - 410

This Spring Drive model from 1974 features a 37mm Gold-Plated case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b86e8f7b231a]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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