Seiko Cal. 6684 - 426

Seiko 6684-426

The 6684-426 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6684 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-5b67053ecbde]

Also known as: Silverwave, World Timer

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
White
Jewels
20j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1978

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seikata-wm-5b67053ecbde