Seiko Cal. 6684 - 917

Seiko 6684-917

The Seiko 6684-917 represents an important milestone in Seiko's 1975 lineup. Powered by the 6684 caliber with 33j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-25d49e4ef61e]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1975

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