Seiko Cal. 3899 - 364

Seiko 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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