Seiko Cal. 4550 - 627

Seiko 4550-627

The 4550-627 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4550 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b48b6d9c556e]

Also known as: Goldfeather, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1975

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seikata-wm-b48b6d9c556e