The Marine 5517 with manual-wind movement and 70-hour reserve is the most technically focused Marine reference; secondary prices are consistent and the hand-wind configuration is preferred by collectors who engage directly with their watches.
The 5517 is the steel entry point to Breguet's Marine family, pairing a hand-wound movement with the line's signature guilloché dial and wave-sculpted case flanks. At 40mm it wears closer to a dress watch than a tool watch, which is the point: this is naval heritage worn daily, not a dive bezel exercise. Honest proportions, genuine craft, and a movement you wind each morning.
Breguet's connection to the sea is not marketing copy. Abraham-Louis Breguet supplied marine chronometers to the French Navy in the early 19th century, and the Marine line launched in the 1990s draws a direct line to that history. The 5517 in stainless steel arrived as the more accessible sibling to the yellow and rose gold references, keeping the caliber 777Q manual-wind movement and the full suite of Marine design details at a lower entry price.
The wave-pattern flanks on the case middle are present across the family but feel particularly right on steel, where the finishing contrasts between brushed troughs and polished crests read more clearly. Production has continued from 2010 onward with no major revisions, which is a good sign for parts availability and service continuity.
The dial guilloché is machine-executed but intricate, and scratches or refinishing damage to it are expensive to correct properly. Inspect the dial carefully under magnification before buying any pre-owned example. The crown and its threads see real use on a manual-wind watch, so check for smooth engagement without play or resistance.
At 100m water resistance the 5517 is sealed adequately for daily wear but should not be worn diving; confirm the case has not been opened by a non-authorized service center, as improper resealing is common on watches that look unserviced but were not. The pushers and crown on Breguet steel cases can show polishing damage from amateur detailing, which flattens the crisp lines on the lugs. Finally, the 5517 is sometimes listed with incorrect dial variants or wrong reference suffixes by private sellers; the 5517ST/92/5WU specifies steel case, silver guilloché dial, and the specific bracelet code, so verify all three characters of the suffix against photographs.
Pre-owned 5517 examples in steel trade well below the gold references and below retail, which is the value argument for this reference. The manual-wind caliber is not penalized by the market the way it might be on a sports watch, because buyers here understand what they are getting. Condition and service history move the price meaningfully: a recently serviced example with box and papers commands a real premium over an unpapered, uninspected one.
The caliber 777Q is a Breguet manufacture movement built for manual winding and requires service approximately every five to seven years. Authorized Breguet service centers are the correct choice given the guilloché dial and the case finishing; independent watchmakers with documented Breguet experience are an acceptable alternative, but confirm they will source genuine parts rather than substitutes for the 777Q.
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Rope-flank case texture is machined at manufacture; polishing destroys it and is irreversible.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| case | Rope-flank case texture | Sharp, well-defined rope ridges on all four case flanks; texture runs continuously without interruption at lug junction | Smooth or partially smooth flanks; soft ridge edges indicating polishing; inconsistent texture depth across flanks |
| dial | Marine guilloché pattern | Guilloché specific to Marine 5517; wave-pattern engine turning consistent with nautical theme | Classique-variant guilloché pattern; flat dial without engine turning; non-Marine pattern |
| crown | Hand-wind crown operation | Smooth winding resistance consistent with Cal. 777Q; no automatic rotor slippage | Auto-winding feel through the crown indicating a movement swap to an automatic caliber |
Editorial estimate. Actual prices vary by condition, date, and box/papers status. Live pricing data is in development.