Seiko Cal. 4550 - 222

The 4550-222 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4550 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-c61e27277dee]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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