Seiko Cal. 4550 - 462

The Seiko 4550-462 represents an important milestone in Seiko's 1977 lineup. Powered by the 4550 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-a9f333b4e19e]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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