Seiko Cal. 5648 - 400

The 5648-400 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5648 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e1ce0bc2b2d9]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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