Seiko Cal. 6340 - 765

Seiko 6340-765

The Seiko 6340-765 represents an important milestone in Seiko's 1970 lineup. Powered by the 6340 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-2780686f2662]

Also known as: Helmet, Arnie

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1970

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seikata-wm-2780686f2662