Seiko Cal. 3831 - 822

The 3831-822 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3831 caliber with 31j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-0db0df595080]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1994

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