Seiko Cal. 4431 - 559

The Seiko 4431-559 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-defc5bb3888c]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1968

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