Seiko Cal. 6661 - 729

Seiko 6661-729

The 6661-729 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-19d8b20b80aa]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1966

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