Seiko Cal. 6347 - 663

Seiko 6347-663

The Seiko 6347-663 represents an important milestone in Seiko's 1993 lineup. Powered by the 6347 caliber with 25j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-5309c074bba5]

Also known as: Samurai, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1993

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