Seiko Cal. 6339 - 840

Seiko 6339-840

The 6339-840 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6339 caliber with 22j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-71a7f6ac2d61]

Also known as: Rally, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
22j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1982

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