Seiko Cal. 4487 - 548

The 4487-548 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4487 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-da400dd54683]

Also known as: Samurai, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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