Seiko Cal. 4429 - 551

This Kinetic model from 1978 features a 41mm PVD Black case. Powered by the 4429 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-c05fb50f8e47]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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