Seiko Cal. 4425 - 840

This Kinetic model from 1970 features a 35mm PVD Black case. Powered by the 4425 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c0a7307e0a3a]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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