SISTEM BOREAL
With its maritime compass-inspired design and bottomless sun-brushed blue dial, the SISTEM BOREAL (YIS401GC) is the trans-oceanic partner you've been looking for. A polished stainless steel case houses the groundbreaking SISTEM51 automatic watch design, while the openwork caseback reveals the inner workings of the self-winding mechanical movement. Mounted to a sturdy polished stainless steel bracelet, you just found a captain you can trust for many years on the open seas.
YIS401GC
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Diameter42.00 mm
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Thickness13.80 mm
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Lug-to-lug50.60 mm
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MovementAutomatic
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Water resistance3 Bar
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Strap materialSt. Steel Adjustable
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Clasp materialStainless Steel
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Strap buckleButterfly
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Case materialStainless steel
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Collection categoryCore
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Packaging typeStandard
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Item colourBlue
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Strap colourGrey
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Dial colourBlue
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Case colourGrey
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Case shapeRound
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Product familyIRONY
SISTEM51: Our signature mechanical movement
SISTEM51: Our signature mechanical movement
At the heart of our design philosophy, SISTEM51 is the only movement in the world comprising just 51 parts and an entirely automated production process. Boasting a 90-hour power reserve and exceptional anti-magnetic qualities, this Swiss-made self-winding mechanical marvel revolutionized the world of automatic watches.
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