Seiko Cal. 5656 - 647

The 5656-647 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5656 caliber with 25j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-de7d81489882]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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