Seiko Cal. 4593 - 681

Released in 1986, the Cal. 4593 with design code 681 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-906db07a3693]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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