Seiko Cal. 6399 - 917

Seiko 6399-917

The 6399-917 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6399 caliber with 36j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-5e722a4edeef]

Also known as: Sportsmatic, Arnie

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
120m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1996

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