Photo: Tempus Shop
Catalogue / Longines / ref. L3.764.4.90.9
Longines Legend Diver 39mm - L3.764.4.90.9
The Longines Legend Diver 39mm is an automatic watch, 39 mm across, with a sapphire crystal, water-resistant to 300 m. It was listed at €3,400 at Tempus at our check on 12 November 2026. It costs 24% more than the median of the 383 automatic Longines watches in the catalogue (€2,750).
Where to buyChecked 12 November 2026
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Who it suits
Anyone who swims, dives or wants a watch that never needs babying.
Strengths
Automatic movement · Sapphire crystal · Water-resistant to 300 m
Limits
No limit found on the spec sheet.
Our view
A good choice at this price
Of 166 automatic watches within 20% of its price, only one is better equipped (crystal, water resistance, titanium).
Depending on what you want
- If you want to spend less without losing anything on the spec sheet, the Auricoste SM300 Scuba Master - Jubilé costs €2,590.
- If you like the model but not this version, see the Longines Legend Diver 39mm, at €3,400.
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 300 m. Swimming and diving without a second thought.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Longines
- Case material
- Steel
- Strap material
- Rubber
- Diameter
- 39 mm
- Crystal
- Scratch-resistant sapphire crystal, multi-layer anti-reflective coating
- Movement
- Automatic
- Water resistance
- 300 m (30 bar)
- Clasp
- Pin buckle
- Reference
- L3.764.4.90.9
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Longines Legend Diver 39mm an automatic watch?
Yes. Its movement is automatic: it winds itself with the motion of the wrist.
Can you swim with the Longines Legend Diver 39mm?
Yes. It is water-resistant to 300 m, which covers swimming and diving.
Does the crystal of the Longines Legend Diver 39mm scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Longines Legend Diver 39mm?
Its case measures 39 mm in diameter.
How much does the Longines Legend Diver 39mm cost?
It was listed at €3,400 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
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