Seiko Cal. 4436 - 718

This Kinetic model from 1972 features a 41mm Gold-Plated case. Powered by the 4436 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-8822096900ea]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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