Seiko Cal. 6670 - 512

This Spring Drive model from 1985 features a 40mm Gold-Plated case. Powered by the 6670 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-8fc4a9fc9abb]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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