Seiko Cal. 6340 - 647

Seiko 6340-647

The 6340-647 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-1b4ed2c5737c]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1983

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