Seiko Cal. 3831 - 622

The 3831-622 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3831 caliber with 23j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-d3f6daf85ec2]

Also known as: Monster, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

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