Seiko Cal. 4551 - 898

The 4551-898 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4551 caliber with 22j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1a7ba14a554a]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1985

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