It’s obvious at a glance what the 103 model series was created for: uncompromising functionality. They are designed to resemble cockpit instruments, in keeping with our company tradition. After all, the first watches we produced were mechanical aviation clocks for professional use. The patented technologies we have developed over the years are now also part of this classic Sinn chronograph.
The 103 Ti DIAPAL with its bead-blasted titanium case features a lubricant-free escapement (DIAPAL Technology). We use special combinations of materials that create no friction, even without lubrication, thus ensuring the long-term accuracy of the movement. To perfect the technical design, this model is equipped with Ar-Dehumidifying Technology. The movement is embedded in an environment that is almost completely dry. This reduces aging and prevents the crystal from fogging when exposed to sudden cold, and ensures reliable functionality and accuracy for a longer period of time. If you are looking for a traditional pilot’s chronograph equipped with a second time zone, a captive pilot's bezel and the latest technology, you will appreciate this model.
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alligator leather; black
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alligator leather; mocha-colored
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alligator leather; cognac-colored
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calfskin; black
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calfskin with leather underlay, mid-brown; contrasting seam light-colored
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calfskin with leather underlay, mid-brown; contrasting seam light-colored (leather underlay unmounted)
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horsehide; brown, contrasting seam white
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cowhide with alligator embossing; black, contrasting seam white
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cowhide with alligator embossing; mocha-colored, contrasting seam white
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cowhide with alligator embossing; marine blue, contrasting seam white
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cowhide with alligator embossing; cognac-colored, contrasting seam white
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cowhide; russia leather; black
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cowhide; russia leather; mocha-colored
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cowhide; black, russia leather; contrasting seam white
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cowhide; russia leather; mocha-colored, contrasting seam white
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cowhide; black, contrasting seam white
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cowhide; integrated in the case; black, contrasting seam white
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cowhide in Vintage-Style; dark brown, contrasting seam white
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cowhide; black, contrasting seam orange
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cowhide in Vintage-Style; brown, decorative seam black
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cowhide; blue, seam blue
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Alcantara; gray, seam grey
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cowhide in Vintage-Style; black, decorative seam red
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Canvas leather, sand-coloured
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Canvas leather, grey
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Black silicone strap integrated in the case; large folding clasp
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Black silicone strap integrated in the case; small folding clasp
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Blue silicone strap integrated in the case; small folding clasp
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Blue silicone strap integrated in the case; large folding clasp
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