Seiko Cal. 4597 - 990

The Seiko 4597-990 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-4cd438ac423b]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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