Seiko Cal. 4597 - 220

The Seiko 4597-220 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4a9ca1324d1a]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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