Seiko Cal. 4593 - 842

The Seiko 4593-842 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-68822a032745]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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