Seiko Cal. 6691 - 608

Seiko 6691-608

The 6691-608 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6691 caliber with 24j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-d2d01ba896f0]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1971

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