Seiko Cal. 3831 - 864

The Seiko 3831-864 represents an important milestone in Seiko's 1997 lineup. Powered by the 3831 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e9bc4e9d0a51]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1997

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