Seiko Cal. 3831 - 436

The Seiko 3831-436 represents an important milestone in Seiko's 1987 lineup. Powered by the 3831 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-da34e4dc9f25]

Also known as: Shogun, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

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