Seiko Cal. 6697 - 644

Seiko 6697-644

The 6697-644 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6697 caliber with 33j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-c5a8c014c642]

Also known as: Tuna, World Timer

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1981

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seikata-wm-c5a8c014c642