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Royal Coster
Diamonds Size
MM / INCH (Circumference)
48 / 1.89 48 4½ I½ 8
49 / 1.93 49 4¾ J¾ 9
50 / 1.97 50 5½ K 10
51 / 2.01 51 5¾ L 11
52 / 2.05 52 6 L½ 12
53 / 2.09 53 6¼ M½ 13
54 / 2.13 54 6¾ N½ 14
55 / 2.17 55 7¼ O 15
56 / 2.20 56 7½ P 16
57 / 2.24 57 8 P½ 17
58 / 2.28 58 8¼ Q½ 18
59 / 2.31 59 8¾ R 19
60 / 2.36 60 9 S 20

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A timepiece with a self-winding mechanical movement, offering a 72-hour power reserve and silicon balance spring. Water-resistant to 30 bar, it features a unidirectional bezel, sapphire crystal with anti-reflective coating, and a blue lacquered dial with Super-LumiNova®. Finished with a stainless steel bracelet and secure folding clasp with micro-adjustment.

Hydroconquest Automatic 39mm

SKU: 4561478
Regular price € 2,200
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A timepiece with a self-winding mechanical movement, offering a 72-hour power reserve and silicon balance spring. Water-resistant to 30 bar, it features a unidirectional bezel, sapphire crystal with anti-reflective coating, and a blue lacquered dial with Super-LumiNova®. Finished with a stainless steel bracelet and secure folding clasp with micro-adjustment.

The most trusted diamond house since 1840.

The most trusted diamond house since 1840.

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