Seiko Cal. 5618 - 851

This Spring Drive model from 1990 features a 44mm Titanium case. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-d077f109f9af]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1990

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