Seiko Cal. 3829 - 700

The 3829-700 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3829 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-5a7763252af6]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1988

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