RM 21-02

993.21
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          这是附加信息

          这是附加信息

          Description Customers Reviews
          Basic information
          No.: RM 21-02
          Brand: Richard Mille
          Movement
          Movement model: RM 21-02
          Movement type: manual mechanical
          Movement diameter: 30.20x 29.20 mm
          Movement thickness: 7.14 mm
          Balance: two-arm beryllium bronze alloy (GLUCYDUR®), 4 adjustment screws, instantaneous inertia 10 mg.cm², lift angle 53°
          Frequency: 21,600 oscillations per hour
          Glowspring: Nivarox® elinvar alloy
          Shock absorber: KIF Elastor KE 160 B28
          Power reserve: 70 hours
          Appearance
          Watch diameter: 42.68 x 50.12 mm
          Case thickness: 14.30 mm
          Dial color: black
          Dial shape: barrel shape
          Strap color: black
          Case bottom: transparent back
          Time scale type: Arabic numerals luminous
          Material
          Case material: QUARTZ TPT+CARBON TPT+titanium alloy case middle
          Bezel material: Carbon TPT carbon fiber and green Quartz TPT quartz fiber
          Mirror material: double-sided anti-glare sapphire crystal glass
          Crown material: titanium alloy
          Strap material: rubber