Seiko Cal. 3860 - 569

The Seiko 3860-569 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-92df92f7648e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1998

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