Baume & Mercier Classima Auomatic Watch Date Display - 40mm
M0A10215
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The Classima 10215 watch for men features the modern appeal of stainless steel combined with a sophisticated design. A steel bracelet, polished steel 40 mm round case, blue hands, and a silver dial, styled with the iconic Baume et Mercier line guilloché décor and Roman number hour markers make this steel automatic watch for men a popular choice for those who appreciate the aesthetic quality and strength of the most durable metal.
Size chart

Ring Size Guide
How To Determine Your Ring Size
You can easily determine your own ring size with a measuring tape or a cord. To measure simply place the cord (or the measuring tape) around the finger where you want to put the ring. Mark the ends of the cord.
IT | USA | FR | DE | UK | CIRC.INCH | CIRC.MM | DIAM.INCH | DIAM.MM |
6 | 3.75 | 46 | 14.75 | H | 1.85 | 46 | 0.58 | 14.6 |
8 | 4.5 | 48 | 15.25 | I 1/2 | 1.89 | 48 | 0.6 | 15.3 |
10 | 5.25 | 50 | 16 | K | 1.96 | 50 | 0.63 | 15.9 |
12 | 6 | 52 | 16.5 | M 1/2 | 2.04 | 52 | 0.65 | 16.5 |
14 | 6.75 | 54 | 17.25 | N 1/2 | 2.12 | 54 | 0.68 | 17.2 |
16 | 7.5 | 56 | 17.75 | P | 2.16 | 56 | 0.7 | 17.8 |
18 | 8.25 | 58 | 18.5 | Q 1/2 | 2.28 | 58 | 0.73 | 18.5 |
20 | 9 | 60 | 19 | S | 2.36 | 60 | 0.75 | 19 |
22 | 10 | 62 | 19.75 | T 1/2 | 2.48 | 62 | 0.8 | 19.7 |
24 | 10.5 | 64 | 20.5 | V | 2.55 | 64 | 0.83 | 20.4 |
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