Seiko Cal. 4455 - 921

The Seiko 4455-921 represents an important milestone in Seiko's 1987 lineup. Powered by the 4455 caliber with 19j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-31e2ba338fc2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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