Montblanc 1858 Split Second Chronograph Bronze

The Rolex Bubble Back, reference 1858, represents an early example of Rolex's self-winding waterproof wristwatches. This reference is part of the broader Bubble Back family, characterized by its distinctive domed case back designed to accommodate the thicker automatic movement of the era. It showcases Rolex's foundational efforts in developing robust and reliable automatic timepieces for everyday wear, laying groundwork for future Oyster Perpetual models.

This particular reference features an 18k white gold case, measuring 38mm in diameter. It is fitted with a sapphire crystal, protecting a silver dial. The watch is powered by an automatic movement, specifically the Boucheron 1858 caliber, offering a power reserve of 42 hours. The fixed bezel and leather strap complete the watch's classic presentation.

For collectors, the reference 1858 holds interest as an early and relatively rare iteration within the Bubble Back series, especially in white gold. Its larger case size for the period also makes it appealing to modern tastes. The presence of a date complication adds to its functionality, distinguishing it from simpler time-only Bubble Back models and highlighting Rolex's early integration of practical features.

The Montblanc 1858 Split Second Chronograph is a limited edition offering within the 1858 collection, distinguished by its complex split-second chronograph complication. This particular reference, limited to 100 pieces, features a unique burgundy dial, setting it apart from other models in the series and appealing to collectors seeking a more exclusive and visually distinct timepiece with advanced horological functions.

The watch is housed in a stainless steel case measuring 44mm in diameter and 15.2mm in thickness. It is fitted with a fixed 18k white gold fluted bezel. The dark burgundy dial, finished with a sunray pattern, complements the case materials. Protecting the dial is a sapphire crystal. The timepiece is powered by the hand-wound MB 16.31 calibre, which measures 38.4 x 8.13 mm, and offers a power reserve suitable for its intricate mechanical functions.

This reference appeals to collectors interested in high-complication chronographs and Montblanc's Minerva heritage. Its limited production run and specific dial color make it a notable variant within the 1858 collection, offering a blend of historical design cues and modern watchmaking. The large dimensions reflect its pocket watch-inspired movement architecture, a characteristic often appreciated by enthusiasts of traditional horology.

The Montblanc 1858 Split Second Chronograph in burgundy is a limited edition offering, distinguished by its complex split-second chronograph complication and a dial color rarely seen in the brand's contemporary collections. This particular reference emphasizes traditional watchmaking with a focus on a large, manually wound movement, drawing inspiration from historical Minerva pocket chronographs. Its release highlights Montblanc's commitment to high horology within the 1858 collection, which typically features vintage-inspired designs and robust tool watch aesthetics. The burgundy dial variant adds a distinct visual character to the series.

The watch features a stainless steel case measuring 44 mm in diameter and 15.2 mm in thickness, providing a substantial wrist presence. It is fitted with a fixed 18k white gold fluted bezel, which offers a subtle contrast to the case material. The timepiece is powered by the hand-wound caliber MB 16.31, a large movement with dimensions of 38.4 x 8.13 mm, visible through a sapphire crystal case back. The dial is presented in a dark burgundy with a sunray finish, complemented by two black counters.

This reference appeals to collectors who appreciate intricate mechanical complications and a vintage aesthetic, particularly those drawn to the heritage of Minerva movements. The limited production of 100 pieces enhances its collectibility. Its large dimensions and distinctive dial color position it as a statement piece within Montblanc's 1858 lineup, offering a blend of historical inspiration and contemporary execution for enthusiasts of high-end chronographs.