Seiko Cal. 5618 - 993

Released in 1983, the Cal. 5618 with design code 993 was part of Seiko's domestic market collection. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-a2ec43bc9643]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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