Seiko Cal. 4550 - 966

The 4550-966 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4550 caliber with 26j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-d955daecefad]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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