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Richard Mille RM 67-02 This article provides a comprehensive analysis of the Richard Mille RM 67-02 Automatic Extra Flat, an ultra-lightweight sports derivative of the RM 67-01. It was also the brand's lightest automatic mechanical watch at the time (weighing only 32g including the strap), balancing an ultra-thin dressy feel with the durability and fit of a professional sports watch.

Core Specifications and Appearance

Case: The iconic tonneau shape, measuring 47.52 × 38.70 mm, with a thickness of 7.80 mm; constructed from Quartz TPT® (quartz fiber composite material) + Carbon TPT® (carbon fiber composite material), paired with Grade 5 titanium alloy components, secured by 12 Grade 5 titanium spline screws and nitrile rubber O-rings, water-resistant to 30 meters; different collaboration models feature exclusive color schemes (such as Charles Leclerc's red and white, Sebastian Ogier's black and red, etc.).

Strap: The brand's lightest seamless elastic comfort strap, non-slip, highly elastic, perfectly conforming to the wrist, key to achieving a total weight of 32g;

Dial: Fully skeletonized design, minimalist hour and minute display, without unnecessary functions; the intricate structure of the CRMA7 movement is visible through the skeleton, with understated and clear hands and markers; the crown features the brand's iconic red bezel design.

Movement and Performance (CRMA7 In-house Skeletonized Automatic Movement)

Dimensions: 28.40 × 31.25 mm, Thickness: 3.6–4.0 mm; Black DLC Grade 5 titanium baseplate, gray DLC Grade 5 titanium bridges, satin finish + micro-blasting + hand-beveling;

Frequency: 4 Hz (28,800 vph), four-arm beryllium bronze balance wheel + AK3 hairspring, INCABLOC shock stabilization;

Winding System: Carbon TPT + platinum eccentric micro rotor, unidirectional ceramic ball bearing system, fast-return barrel (5 hours/revolution);

Power Reserve: 50 hours; Functions include only hours and minutes, omitting the date display (67-01), prioritizing extreme thinness and reliability.

Representative Collaboration Versions:

RM 67-02 Charles Leclerc: Designed for F1 drivers, red and white color scheme, Quartz TPT case, limited edition;

RM 67-02 Sebastian Ogier: Collaboration with a rally champion, black and red carbon fiber base, emphasizing impact resistance;

RM 67-02 MEB (Mutaz Essa Barshim): Collaboration with a high jump champion, more understated color scheme, also focusing on lightweight and athletic stability.

Key Technical Highlights:

TPT Composite Material: 45° staggered lamination, 6 bar pressure + 120℃ high temperature curing, combining ultra-lightweight, high rigidity, and resistance to electromagnetic interference;
Lightweight Design with No Redundant Functions: Date function removed, retaining only hours and minutes, resulting in a thinner movement and a more robust structure;
Fast-Winding Barrel: Reduces mainspring sticking, resulting in more linear power delivery;

Ceramic Ball Bearings: Reduces winding resistance, improving efficiency and durability.

Differences from the RM 67-01: The RM 67-01 is more suited to a dressy, ultra-thin design (primarily titanium, with date and W/D/H indicators); while the 67-02 is thoroughly sporty, replacing some metal with TPT composite material, eliminating unnecessary functions, upgrading the strap, and reducing the overall weight from the RM 01's standard level to 32g, making it almost imperceptible to wear.