Photo: Tempus Shop
Catalogue / Longines / ref. L3.720.4.52.9
Longines Conquest 38mm - L3.720.4.52.9
The Longines Conquest 38mm is an automatic watch, 38 mm across, with a sapphire crystal, water-resistant to 100 m. It was listed at €2,150 at Tempus at our check on 12 November 2026.
Where to buyChecked 12 November 2026
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Who it suits
Anyone who wants one mechanical watch for every day, swimming included.
Strengths
Automatic movement · Sapphire crystal · Water-resistant to 100 m
Limits
No limit found on the spec sheet.
Our view
Decent, without standing out
51 of the 201 automatic watches within 20% of its price are better equipped (crystal, water resistance, titanium). You choose it for its design or its brand, not for its spec sheet.
Depending on what you want
- If you dive, the Auricoste La Royale goes down to 200 m for €2,150.
- If you prefer a case with more presence, the Squale 1521 Classic COSC measures 42 mm, at €1,990.
- If you want to spend less without losing anything on the spec sheet, the Mido Ocean Star 200C Titanium costs €1,350.
- If you like the model but not this version, see the Longines Conquest 38mm, at €2,150.
Reading the spec sheet
What the spec sheet says
- Automatic movement. It winds itself on the wrist, with no battery.
- Sapphire crystal. The most scratch-resistant option.
- Water-resistant to 100 m. You can swim with it.
- Priced below the brand median. It costs 22% less than the median of the 383 automatic Longines watches in the catalogue (€2,750).
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Longines
- Case material
- Steel
- Strap material
- Rubber
- Diameter
- 38 mm
- Crystal
- Scratch-resistant sapphire crystal, multi-layer anti-reflective coating
- Movement
- Automatic
- Water resistance
- 100 m (10 bar)
- Dial colour
- Sunray black
- Clasp
- Double-safety folding clasp with micro-adjustment
- Reference
- L3.720.4.52.9
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Longines Conquest 38mm an automatic watch?
Yes. Its movement is automatic: it winds itself with the motion of the wrist.
Can you swim with the Longines Conquest 38mm?
Yes. It is water-resistant to 100 m, which allows swimming.
Does the crystal of the Longines Conquest 38mm scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Longines Conquest 38mm?
Its case measures 38 mm in diameter.
How much does the Longines Conquest 38mm cost?
It was listed at €2,150 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
- Automatic watches with sapphire crystal, water-resistant to 100 m, under €3,000335 references
- Automatic watches, 38 mm or smaller, under €3,000227 references
- Automatic watches, water-resistant to 100 m, under €3,000359 references
- Watches with sapphire crystal, water-resistant to 100 m, under €3,000456 references
- Automatic watches with sapphire crystal under €3,000666 references
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