Photo: Tempus Shop
Catalogue / Longines / ref. L4.815.4.02.2
Longines Flagship Heritage Moonphase 38.5mm - L4.815.4.02.2
The Longines Flagship Heritage Moonphase 38.5mm is an automatic watch, 38.5 mm across, with a sapphire crystal, water-resistant to 30 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
The button leads to today’s price. Affiliate link: the retailer pays us a commission, at no extra cost to you.
Who it suits
Anyone who wants a mechanical watch for daily wear.
Strengths
Automatic movement · Sapphire crystal
Limits
Water-resistant to 30 m
Our view
Decent, without standing out
51 of the 166 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 plan to swim with it, take the Longines LEGEND DIVER BRONZE 42mm instead: water-resistant to 300 m, at €3,450.
- 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 FLAGSHIP HERITAGE MOONPHASE 38.5mm, 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 30 m. It copes with rain and splashes, not swimming.
Analysis based on the retailer’s spec sheet, without handling the watch.
- Brand
- Longines
- Case material
- Steel
- Strap material
- Alligator leather
- Diameter
- 38.50 mm
- Crystal
- Scratch-resistant sapphire crystal, multi-layer anti-reflective coating
- Movement
- Automatic
- Water resistance
- 30 m (3 bar)
- Functions
- Moon phase
- Dial colour
- Sunray green
- Clasp
- Pin buckle
- Reference
- L4.815.4.02.2
At this price
Alternatives from other brands
Same type of movement, within 20% of the price.
Questions
The short answers
Is the Longines Flagship Heritage Moonphase 38.5mm an automatic watch?
Yes. Its movement is automatic: it winds itself with the motion of the wrist.
Can you swim with the Longines Flagship Heritage Moonphase 38.5mm?
No. It is water-resistant to 30 m, which means rain and splashes.
Does the crystal of the Longines Flagship Heritage Moonphase 38.5mm scratch?
It has a sapphire crystal, the most scratch-resistant kind.
What size is the Longines Flagship Heritage Moonphase 38.5mm?
Its case measures 38.5 mm in diameter.
How much does the Longines Flagship Heritage Moonphase 38.5mm cost?
It was listed at €3,400 at Tempus at our check on 12 November 2026.
Where it ranks
This watch appears in
Official brand video
The collection on video
Same brand
