Seiko Cal. 6647 - 288

The 6647-288 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6647 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-def08ac220ad]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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