Seiko Cal. 4593 - 618

The Seiko 4593-618 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-9c73d64348e3]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

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