Seiko Cal. 3827 - 765

Released in 1986, the Cal. 3827 with design code 765 was part of Seiko's domestic market collection. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-ac33fb8ca16f]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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