A. Lange & Söhne Zeitwerk 140.029 White Gold

Opening Context
The Zeitwerk stands as one of the most important conceptual breakthroughs in modern mechanical watchmaking. Introduced in 2009, it redefined how time could be displayed mechanically, replacing hands with digitally jumping hours and minutes while remaining unmistakably traditional in construction and finishing. The reference 140.029 represents the earliest generation of the Zeitwerk, capturing the purity and ambition of the original idea before later technical evolutions.

Why This Reference Matters
The 140.029 is significant as the foundational Zeitwerk reference. Its dark dial provides a dramatic backdrop for the jumping digital displays, emphasizing legibility and the architectural symmetry of the layout. The power reserve indicator and small seconds are arranged with the same disciplined logic that defines all Lange designs. Inside, the manually wound calibre L043.1 introduced the constant-force escapement system required to drive the instantaneous digital jumps, a solution that placed the Zeitwerk firmly among the most technically serious watches of its era. While later movements improved efficiency, this first-generation calibre remains historically important and deeply respected.

On the Wrist
At 41.9mm, the Zeitwerk wears with presence and intent. The white gold case adds subtle weight and discretion, keeping the watch refined rather than overtly bold. Short lugs and a balanced case profile help it sit securely on the wrist despite its diameter. On the wrist, it feels purposeful and architectural, a watch that communicates its complexity through structure rather than ornament.

Condition & Transparency
This example features an 18K white gold case with a dark dial displaying jumping digital hours and minutes, a power reserve indicator, and small seconds. It is fitted to a black alligator leather strap and secured by an 18K white gold deployant clasp. The manually wound calibre L043.1 offers approximately 36 hours of power reserve. Water resistance is rated to 30 meters. Any information regarding service history, box, or papers is disclosed clearly based on confirmed details, with no assumptions made where information is unavailable.

Why It Belongs in a Collection
The early Zeitwerk is ideal for collectors who value originality and horological significance. It complements more classical Lange references by offering a radically different approach to time display, while maintaining the same uncompromising standards of finishing and construction. Within a broader collection, it represents a milestone moment when tradition and innovation met head-on.

Closing
The A. Lange & Söhne Zeitwerk 140.029 captures the boldness of a manufacture willing to rethink the fundamentals of timekeeping. For collectors drawn to mechanical ingenuity, historical importance, and watches that permanently altered the direction of modern horology, this white gold Zeitwerk remains one of the most compelling and intellectually satisfying choices in contemporary watchmaking.

Specifications

• Case Size: 41.9 mm
  
• Case Material: 18K White Gold
  
• Dial: Dark Dial with Jumping Digital Hours and Minutes, Power Reserve Indicator and Small Seconds
  
• Strap: Black Leather Strap with 18K White Gold Pin Buckle
  
• Power Reserve: Approx. 36 Hours
  
• Water Resistance: 30 m
  
• Movement: Manual-Wind (Calibre L043.1)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.