Seiko Cal. 3831 - 323

The 3831-323 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3831 caliber with 30j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-b1a8f9d6dfa8]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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