Seiko Cal. 6661 - 663

This Spring Drive model from 1976 features a 38mm Gold-Plated case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-6a84132a761d]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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