Seiko Cal. 5647 - 442

The 5647-442 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5647 caliber with 28j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-df3d08e74cf9]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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