Seiko Cal. 5660 - 966

This Spring Drive model from 1969 features a 39mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-ec4f32af7e17]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

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