Seiko Cal. 6319 - 643

Seiko 6319-643

The 6319-643 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6319 caliber with 36j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-b22333a81689]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1973

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seikata-wm-b22333a81689