Seiko Cal. 4555 - 944

The Seiko 4555-944 represents an important milestone in Seiko's 1977 lineup. Powered by the 4555 caliber with 21j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-3a2f5d60d9fd]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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