Longines La Grande Classique De Longines L4.512.4.11.B
Ref. L4.512.4.11.B · White dial · In production · Longines label: Women's
- Case29 mm
- Thick4.5 mm
- Lug-to-lug33.2 mm
- Water res.30 m
- MovementQuartz
- CrystalSapphire
Longines La Grande Classique De Longines L4.512.4.11.B size, specs and price at a glance
The Longines La Grande Classique De Longines L4.512.4.11.B is 29 mm wide and 4.5 mm thick, with a lug-to-lug length of 33.2 mm. It takes 16 mm straps and ships on a alligator leather strap. Inside is the L420.2 quartz calibre, water resistant to 30 m. US list price: $1,350 when we last checked longines.com (3 Nov 2026).
Strap shopping? See our Longines lug width chart.
Overview
The Longines L4.512.4.11.B is a dress watch from the Elegance collection, part of the La Grande Classique De Longines family. It has a 29 mm stainless steel case, 4.5 mm thick, 33.2 mm from lug to lug. Longines lists the dial as white. Inside is a quartz movement (calibre L420.2). You also get 30 m water resistance, a sapphire crystal and a alligator leather strap.
Who it suits
- Wrists of roughly 11.3–13.2 cm (4.4–5.2 in), by our Watch Finder sizing guide
- Desk and dress wear (keep it away from swimming)
- Shirt cuffs and smarter dress codes
- Grab-and-go wear without winding or setting
Strengths
- Sapphire crystal resists scratches
- Slim at 4.5 mm
- Compact 33.2 mm lug-to-lug suits smaller wrists
- Light at 17.9 g
Trade-offs
- Only 30 m water resistance: splash-proof, not for swimming
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 29 mm | longines.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 4.5 mm | longines.com · 3 Nov 2026 |
| Lug-to-lug | 33.2 mm | longines.com · 3 Nov 2026 |
| Case material | Stainless steel | longines.com · 3 Nov 2026 |
| Crystal | Sapphire | longines.com · 3 Nov 2026 |
| Water resistance | 30 m | longines.com · 3 Nov 2026 |
| Weight | 17.9 g | longines.com · 3 Nov 2026 |
Dial
| Dial colour | White | longines.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Quartz | longines.com · 3 Nov 2026 |
|---|---|---|
| Calibre | L420.2 | longines.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Alligator leather strap | longines.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 16 mm | longines.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $1,350 | longines.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | longines.com · 3 Nov 2026 |
| Style (our classification) | Dress | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Longines La Grande Classique De Longines L4.512.4.11.B
How big is the Longines La Grande Classique De Longines L4.512.4.11.B?
The case is 29 mm wide, 4.5 mm thick and 33.2 mm from lug to lug.
What movement does the Longines La Grande Classique De Longines L4.512.4.11.B use?
It uses the L420.2 calibre, a quartz movement.
Can I swim with the Longines La Grande Classique De Longines L4.512.4.11.B?
Not really. It is rated to 30 m.
How much is the Longines La Grande Classique De Longines L4.512.4.11.B?
The US list price was $1,350 on longines.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Longines La Grande Classique De Longines L4.512.4.11.B fit my wrist?
By our sizing guide it sits best on wrists of about 11.3–13.2 cm (4.4–5.2 in). Use the fit checker on this page to test your own wrist.
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