Seiko Cal. 4455 - 780

The Seiko 4455-780 represents an important milestone in Seiko's 1974 lineup. Powered by the 4455 caliber with 23j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-fc13d1255513]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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