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Circula – AquaSport – Caliber STP 1-11 – Rubber Strap – Dark Blue with sunray


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The Circula AquaSport is a retro dive watch with Swiss automatic movement. The sporty, elegant design with a solid, pillow-shaped case, sapphire bezel and clear time display at day and night, make the AquaSport a watch for all occasions. The modern Swiss automatic movement STP 1-11 is based on the famous ETA 2824 in its construction and has meanwhile made a name for itself in the watch market due to its high precision and reliability. Inspired by the Circula diving watches of the 1970s.

Movement: Swiss automatic precision movement, Caliber STP 1-11, regulated in 5 positions
Case: 316L stainless steel with 39 mm in diameter, 46 mm lug to lug and 12.8 mm in height
Strap: Tropic rubber with strap exchange tool with a strap width of 20mm (find more strap colors here)
Water resistance: 200 ATM / 200 meters

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The ‘Fabulous Fifties’ was a time of awakening. Heinz Huber was in the midst of it and founded a watch brand in 1955 in Pforzheim, the center of the German watch and jewelry industry in the Black Forest. He named Circula after the circulating of the balance in mechanical movements.


Cornelius Huber, the grandson of the founder, revived Circula in 2018 to build on this heritage. After a successful start with quartz watches, they are now again producing first-class mechanical masterpieces. In homage to the founder and the brand name, a balance wheel is embossed on the crown.

Quality, hand made in Germany

All watches are made by hand in Pforzheim and in the Heritage collection even the mechanical movements come entirely from Germany. Circula is creating extraordinary masterpieces with precise horological craftsmanship and high-quality materials. Our watches are Made in Germany with the utmost attention to detail.

Today as then, Circula’s goal is to create exceptional, precise watches, in high quality and at fair prices.

Additional information

Additional information

Watch Brand


Watch Case Color


Watch Dial Color


Watch Band Color


Watch Band Type


Watch Case Material

Stainless Steel

Watch Case Width

39 mm

Watch Date


Watch Designed In


Watch Gender

Mens, Womens

Watch Glass

Scratch-resistant, slightly curved and anti-reflective coated sapphire crystal

Watch Hands


Watch Movement

STP 1-11 Swiss Made

Watch Series


Watch Movement Type


Watch Packaging

Box & Papers

Watch Style

Diving, Vintage

Watch Warranty

2 Years

Watch Water Resistancy

20 ATM

Watch Case Thickness

12,80 mm

Watch Band Lug Width

20 mm

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