Seiko Cal. 6340 - 644

Seiko 6340-644

The Seiko 6340-644 represents an important milestone in Seiko's 1981 lineup. Powered by the 6340 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-4ea19831a2a2]

Also known as: Arnie

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1981

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