Seiko Cal. 4556 - 540

The 4556-540 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4556 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-8e0abadbeb3a]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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