Seiko Cal. 6661 - 625

This Spring Drive model from 1981 features a 40mm Gold-Plated case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ca5c382e6b73]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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