Seiko Cal. 4590 - 815

The Seiko 4590-815 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-b374c7f5a2e9]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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