Seiko Cal. 3820 - 105

The Seiko 3820-105 represents an important milestone in Seiko's 1988 lineup. Powered by the 3820 caliber with 31j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-9d6707ff424e]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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