Seiko Cal. 3831 - 143

The 3831-143 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3831 caliber with 28j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-a2777889aba4]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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