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Frederique Constant Classics Index Automatic Mens Watch
Ref. FC-303MC5B6
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Stepping up in the same colour and case shape
The Classics Index sits at the heart of what Frederique Constant does best: classical European dress-watch design built around a movement calibrated to Swiss manufacture standards. The FC-303 at its core shares its architecture with the Sellita SW200-1, running at 28,800 vibrations per hour with a 38-hour reserve — a dependable, well-understood engine that rewards ownership without demanding attention. At 40mm the case wears closer to 39mm in practice, the lugs tapering enough to pull the watch inward on the wrist. At 10.3mm thick it disappears under a shirt cuff without resistance, which is the whole point of pairing it with Breguet hands and Roman numerals on a guilloché centre dial. That hobnail pattern catches and scatters light differently as the wrist moves, giving a static silver surface some animation without straying from the formal register the dial is clearly after. The crocodile-embossed calf strap with its matching black stitching keeps the whole thing consistent in tone — a detail that reads as considered rather than incidental, and holds the watch's dressier intentions together down to the pin buckle.
- Reference
- FC-303MC5B6
- Brand
- Frederique Constant
- Collection
- Classics
- Case size
- 40mm
- Case thickness
- 10.3mm
- Lug width
- 20mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- FC-303
- Functions
- Date
- Water resistance
- 50m
- Bracelet / strap
- Leather strap
- Strap colour
- Black
- Clasp
- Buckle
- Lume
- Luminous
- Retailer
- Goldsmiths
Additional specifications
- Power reserve
- 38 hours
Manufacturer’s guarantee
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Showering yes, swimming no. 50m covers splashes and brief immersion, but a swimming stroke generates well above the pressure that figure describes.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 38 hours fully wound — so it will usually stop if you leave it off overnight.
What size strap does it take?
20mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Is it a men's or women's watch?
Listed as men's, though at 40mm it sits in the range that suits anyone.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
Who are Goldsmiths?
Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.
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