Seiko Cal. 6659 - 779

The 6659-779 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6659 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ca4462ac7ded]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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