RM 028
Type | Richard Mille |
Watch | Automatic Winding |
Movement dimensions | 30.25 x 28.45 mm |
Thickness | 4.14 mm |
Jewels | 32 |
Barrel arbour | AP 20 steel |
Balance | Glucydur®, 4 arms, moment of inertia 4.8 mg•cm2 |
Frequency | 28,800 vph (4 Hz) (4 Hz) |
Balance spring | elinvar by Nivarox® |
Shock protection | INCABLOC 908.22.211.100 (transparent) |
Escapement wheel jewels | Rubifix (transparent) |
Three-position stem | manual winding, date adjustment, time setting |
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