Seiko Cal. 3899 - 204

The 3899-204 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3899 caliber with 30j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-6cf4067bdc49]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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