Seiko Cal. 3831 - 852

The 3831-852 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3831 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-47aa2eac45d2]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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