Back to products![B678 [GF Jaeger-LeCoultre Clown] Master Ultra Thin Réserve de Marche – a ultra-thin series of power-reserve display watches. It seamlessly combines elegant lines with a thin stainless steel case, and features numerous sophisticated functions. The stylish — image 1](/_next/image?url=https%3A%2F%2Fxcimg.szwego.com%2Fimg%2F083bf238%2F20251211%2Fi1765438597767_1514_0_0.jpg&w=3840&q=75)
![B678 [GF Jaeger-LeCoultre Clown] Master Ultra Thin Réserve de Marche – a ultra-thin series of power-reserve display watches. It seamlessly combines elegant lines with a thin stainless steel case, and features numerous sophisticated functions. The stylish — image 1](/_next/image?url=https%3A%2F%2Fxcimg.szwego.com%2Fimg%2F083bf238%2F20251211%2Fi1765438597767_1514_0_0.jpg&w=3840&q=75)
World-famous watches
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World-famous watches
B678 [GF Jaeger-LeCoultre Clown] Master Ultra Thin Réserve de Marche – a ultra-thin series of power-reserve display watches. It seamlessly combines elegant lines with a thin stainless steel case, and features numerous sophisticated functions. The stylish
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[Dimensions] Diameter: 39mm, Thickness: 9, 9mm [Movement] Original molded 938/1 integrated movement (GF never forgets its original mission; every movement undergoes rigorous testing before being shipped!)



