Seiko Cal. 4551 - 440

This Spring Drive model from 1981 features a 40mm PVD Black case. Powered by the 4551 caliber with 25j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-4e08022fbec2]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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