Seiko Cal. 6691 - 133

Seiko 6691-133

The 6691-133 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6691 caliber with 26j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-2bea74c22339]

Also known as: Turtle, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1968

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