Seiko Cal. 4550 - 231

The Seiko 4550-231 represents an important milestone in Seiko's 1999 lineup. Powered by the 4550 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-232e8347abbb]

Also known as: Pogue, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1999

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