Seiko Cal. 4593 - 400

The Seiko 4593-400 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-cc2264a92d4d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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