![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-1.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-2.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-3.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-5.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-6.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-8.jpg?v=1677687013&width=1445)
![Alpha Sierra Titan BY02](http://alphasierrawatches.com/cdn/shop/products/ASWTBY02-9.jpg?v=1677687013&width=1445)
Specs
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Movement
Seiko VD53
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Case material
Stainless steel
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Diameter in mm
45
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Thickness in mm
12
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Water resistance
5 ATM (Rain & Splashproof)
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Bracelet closure
Butterfly or folding clasp
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Watch strap length in mm
240
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Glass material
Mineral glass
![](http://alphasierrawatches.com/cdn/shop/files/Schermafbeelding-2022-05-19-om-16.13.13.jpg?v=1662458276&width=1500)
About Us
Alpha Sierra doesn't just make watches, bracelets, and sunglasses; we craft instruments of exploration and self-expression. Our products are designed to empower individuals to embrace their inner adventurer, to seize every moment, and to live life to the fullest.