Seiko Cal. 6684 - 551

Seiko 6684-551

The Seiko 6684-551 represents an important milestone in Seiko's 1999 lineup. Powered by the 6684 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-36100dc0768c]

Also known as: Rally, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1999

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seikata-wm-36100dc0768c