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Frederique Constant Classics Index Automatic 40mm Mens Watch
Ref. FC-303NS5B6
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Stepping up in the same colour and case shape
The Classics line is where Frederique Constant makes its case for the dressed end of the market without crossing into formality — watches that suit a business shirt and work just as well with a weekend collar. This reference sits at the quieter end of that range: a silver dial with hand-applied indices, a blue seconds hand that reads as a deliberate accent rather than an afterthought, and a 10.3mm profile that disappears under a cuff rather than catching on it. The FC-303 beneath the dial is built on a Sellita SW200-1 base, which is an honest choice — a well-proven platform running at 28,800vph with 38 hours of reserve, and one that Frederique Constant finishes and regulates in-house. The brown calfskin strap with its alligator embossing and off-white contrast stitching is a cut above what typically ships on a watch at this level: the nubuck backing sits softly against the wrist, and at 60 grams the whole thing wears lighter than it reads in the hand.
- Reference
- FC-303NS5B6
- 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
- Brown
- Clasp
- Buckle
- Lume
- Luminous
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 46.05mm
- 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.
Will it fit my wrist?
Lug-to-lug is 46.05mm, which suits wrists from roughly 16cm (6¼ inches) upward.
Lug-to-lug decides fit more than case diameter does.
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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