Seiko Cal. 3899 - 836

The 3899-836 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3899 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-78a1bf070cfe]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1985

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