Longines HydroConquest 39mm Vert - L3.779.4.06.6

The Longines HydroConquest 39mm Vert is an automatic watch, 39 mm across, with a sapphire crystal, water-resistant to 300 m. It was listed at €2,150 at Tempus at our check on 12 November 2026.

Where to buyChecked 12 November 2026

Tempus€2,150

See the offer at Tempus · €2,150

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 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 201 automatic watches within 20% of its price, none 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 Mido Ocean Star 600 Chronometer costs €1,670.
If you like the model but not this version, see the Longines HydroConquest 39mm Bleu, 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 300 m. Swimming and diving without a second thought.
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.