Seiko Cal. 5668 - 186

The Seiko 5668-186 represents an important milestone in Seiko's 1999 lineup. It features a Silver dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-3da0254debd9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1999

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