Seiko Cal. 3899 - 364

The 3899-364 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3899 caliber with 19j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-034cb1b7fe1d]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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