Seiko Cal. 5618 - 183

The Seiko 5618-183 represents an important milestone in Seiko's 1975 lineup. Powered by the 5618 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-4c3a46cccd34]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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