Seiko Cal. 3831 - 527

The Seiko 3831-527 represents an important milestone in Seiko's 1990 lineup. Powered by the 3831 caliber with 20j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-2fa75b42ddba]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1990

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