Seiko Cal. 3899 - 747

Seiko 3899-747

The 3899-747 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3899 caliber with 20j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-5c48bc8372ae]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1976

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seikata-wm-5c48bc8372ae