Seiko Cal. 6641 - 313

Seiko 6641-313

The Seiko 6641-313 represents an important milestone in Seiko's 1989 lineup. Powered by the 6641 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-7bf8c8a9fba5]

Also known as: Shogun, Rally

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
31j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1989

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