Seiko Cal. 4591 - 220

The Seiko 4591-220 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-976c4955d7b4]

Also known as: Turtle, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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