Seiko Cal. 5618 - 891

This Quartz model from 1980 features a 43mm Two-Tone case. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-6275d01b55bf]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1980

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