Longines Conquest Conquest Automatic 29.5 Ceramic Diamond

Reference L3.299.0.57.7

Longines Conquest Automatic 29.5 Ceramic Diamond

About this watch

The Longines L3.299.0.57.7 Conquest Automatic 29.5 Ceramic Diamond is a masterpiece of luxury watchmaking, boasting an exquisite design that combines style with functionality. The black ceramic case paired with gem-set indexes exudes luxury and sophistication, while the sleek black dial adorned with gem-set indexes sparkles under light. At its heart lies the reliable Longines caliber L595 movement, ensuring accuracy and precision. With a water resistance rating of 50 meters and sapphire glass protection, this watch is built to last. Its elegant design, combined with luxurious materials, makes it a versatile accessory that can elevate any outfit.

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Key Features

29.5mm round ceramic case
Longines caliber L595 automatic movement
Water resistance: 50 meters
Sapphire glass crystal
Adjustable stainless steel bracelet
Date display and hours, minutes, seconds hands

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Automatic 29.5 Ceramic Diamond

Reference

L3.299.0.57.7

Movement

l595

Movement Features

Hours, Minutes, Seconds
Date

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

Longines. Hydro Conquest. 41mm. Full Kit. $975 Only.

Longines - L3.781.4.56.6 · $975

The Longines Hydro Conquest is a 41mm watch that comes with a fully linked bracelet and the expected full kit, including an undated warranty.

Condition: 9/10
Bracelet: fully linked Longines bracelet
Kit Included: everything expected
Warranty Status: undated

Posted at

Mar 30, 2026, 9:15 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $460 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $460 (message me if you can't see the details/description in the comments)

Longines - 4384 · $460

This is a vintage Swiss-made Longines 'Conquest' from the late-1970s or early-1980s, featuring an integrated steel sports watch design inspired by Gerald Genta's work. The watch has a subtle in-between grey and light brown dial with a vertically brushed linen texture, high polish stick indices, and a date window with a neat border.

Condition: Great condition, minor general wear
Movement: Longines calibre L.746.2 (ETA 954.111)
Bracelet length: up to roughly 18cm
Wrist size: 34mm round equivalent due to rectangular shape

Posted at

Mar 27, 2026, 10:45 PM

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Longines | L3.835.4.52.6 | Conquest | $2,999

Longines - L3.835.4.52.6 · $2,999

This Longines Conquest comes in a complete set and is in preowned clean condition with minor hairline scratches throughout.

Condition: preowned clean condition with minor hairline scratches throughout
Crystal condition: may contain marks under strong magnification
Service history: unknown
Shipping: FREE 2 Day Insured FedEx Shipping

Posted at

Mar 27, 2026, 9:18 AM

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Longines Conquest Heritage Central Power Reserve — Excellent Condition

Longines - Conquest Heritage Central Power Reserve · $1,999

A modern Longines Conquest Heritage model featuring a central power-reserve hand and an alligator strap, available for purchase with shipping included.

Condition: Excellent Condition
Strap material: alligator
Box included: No

Posted at

Mar 26, 2026, 6:53 PM

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Longines. Hydro Conquest. 41mm. Full Kit. $975 Only.

Longines - L3.781.4.56.6 · $975

This Longines Hydro Conquest is a 41mm watch that comes in full kit with everything expected, including an undated warranty.

Condition: 9/10
Bracelet: fully linked Longines bracelet
Kit Contents: full kit with everything expected, including undated warranty

Posted at

Mar 26, 2026, 11:39 AM

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Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines - L3.720.4.02.9 · $1,699

This Longines Conquest features a rubber strap in green, with a deployment clasp and comes with all original boxes and papers.

Condition: Brand new
Strap material: rubber
Strap color: green

Posted at

Mar 24, 2026, 2:22 PM

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Longines 9004-6 Conquest Calendar (1958) — Cal. 19ASD — Freshly Serviced — $899 Shipped

Longines - 9004-6 · $899

A 1958 stainless steel Longines Conquest Calendar in excellent condition with a natural bubble patina on the dial and crisp hands. The watch has an automatic movement and features a date function via crown rotation.

Condition: Pre-owned with recently serviced movement
Movement: Cal. 19ASD automatic (18,000 vph, 19 jewels)
Case size: 35mm diameter
Lug-to-lug length: 43mm

Posted at

Mar 24, 2026, 1:55 PM

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