Blancpain Fifty Fathoms Flyback Chronograph 5085F-1130-52A
About This Watch
The Blancpain Fifty Fathoms Flyback Chronograph combines professional dive watch functionality with a flyback chronograph mechanism, creating a versatile instrument for timing underwater operations. The caliber F385 operates at the elevated frequency of 36,000 vph (5 Hz), enabling the chronograph seconds hand to advance in 1/10th-second increments visible on a peripheral scale. The flyback function allows the chronograph to be reset and restarted with a single pusher press, essential for timing successive intervals without the stop-reset-start sequence. The 45mm steel case maintains 300m water resistance despite the additional chronograph pushers, a testament to Blancpain's engineering. The bi-compax dial layout places the 30-minute counter at 3 o'clock and running seconds at 9, with a date window at 6. The column-wheel chronograph mechanism, visible through the sapphire caseback, is finished to Blancpain's high standards with Côtes de Genève and beveled edges. For the collector who wants a dive-capable chronograph from the oldest watch brand in the world, the Fifty Fathoms Flyback offers authentic heritage and genuine mechanical sophistication.
In-Depth Review
The lineage of Blancpain's Fifty Fathoms stretches back to 1953, when the manufacture created the modern diving watch template. The 5085F-1130-52A represents an evolution of that legacy, pairing the collection's iconic aesthetic with a genuinely useful flyback chronograph mechanism. The 45mm stainless steel case houses Blancpain's in-house Caliber F385, a 37-jewel automatic movement beating at 36,000 vph with an impressive 50-hour power reserve. The unidirectional ceramic bezel, sapphire crystal with anti-reflective coating, and 300-meter water resistance address both form and function. Yet it's the dial execution—a straightforward black surface with legible subdials—that distinguishes this from trend-chasing competitors. The black sail canvas strap signals purposeful restraint rather than casual styling, appropriate for a chronograph that respects its underwater heritage.
This watch appeals to collectors who reject false dichotomies between sport and luxury. The ideal owner appreciates Swiss watchmaking rigor and wants complications beyond a simple date window, but refuses unnecessary adornment. The flyback chronograph proves useful for anyone timing underwater activities or simply favoring the mechanical elegance of returning chronograph hands instantaneously. At current market prices around $16,000—below the $19,300 MSRP—the watch delivers remarkable value considering its integrated manufacture movement and 70-year pedigree.
Against competitors like the Omega Seamaster Diver 300M Chronograph or Tudor Black Bay Chrono, the Blancpain occupies distinct territory. It's larger and more overtly technical than either, with superior power reserve and a proprietary movement that justifies its premium positioning. For buyers seeking uncompromising Swiss diving
Specifications
Movement
| Movement Type | Automatic |
|---|---|
| Caliber | Caliber F385 |
| Power Reserve | 50 hours |
| Frequency | 36,000 vph |
| Jewels | 37 |
Case
| Case Diameter | 45.0mm |
|---|---|
| Case Thickness | 15.5mm |
| Case Material | Stainless Steel |
| Crystal | Sapphire with anti-reflective coating |
| Bezel | Unidirectional rotating, ceramic insert |
| Dial Color | Black |
| Lug Width | 23mm |
| Lug-to-Lug | 52.0mm |
Features
| Water Resistance | 300m / 984ft |
|---|---|
| Bracelet/Strap | Black sail canvas strap |
| Clasp | Stainless steel folding clasp |
| Weight | 158g |
| Complications |