Longines Conquest Conquest 41 Automatic Ceramic

Reference L3.657.4.86.0

About this watch

The Longines Conquest L3.657.4.86.0 is a luxury timepiece that exudes elegance and sophistication. At its heart is the robust automatic movement, Longines caliber L633.5, based on the ETA 2824-2, which delivers precision and reliability with its 28,800 vibrations per hour and 38-hour power reserve. This watch boasts a white Mother of Pearl dial, mixed indexes, and stick hands that ensure effortless time-telling. Its ceramic case is complemented by a stainless steel bracelet and secure deployment clasp for all-day wear. With a water resistance rating of 300 meters, this watch can accompany you on aquatic adventures, while its scratch-resistant sapphire glass protects the dial from daily wear. The Longines Conquest L3.657.4.86.0 is more than just a timekeeping device; it's a statement piece that checks all boxes for both formal and casual occasions.

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Key Features

41mm round case diameter
Ceramic and Stainless Steel materials
Longines caliber L633.5 automatic movement
White Mother of Pearl dial with mixed indexes
Sapphire glass with scratch resistance
300m water resistance rating
38-hour power reserve

Specifications

Brand

Longines

Family

Conquest

Model

Conquest 41 Automatic Ceramic

Reference

L3.657.4.86.0

Movement

l633-5

Movement Features

Hours, Minutes, Seconds
Date

Case

41mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines HydroConquest 42mm

Longines - L3.788.4.96.6 · $1,900

This listing is for a brand new Longines HydroConquest 42mm blue dial watch, featuring a ceramic bezel and quick micro adjust bracelet.

Condition: Brand New In Box (BNIB)
Diameter: 42mm
Material: ceramic and lacquered

Posted at

May 26, 2026, 3:35 PM

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[WTS] Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $425 (details/description in the comments)

Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $425 (details/description in the comments)

This vintage Longines Conquest watch features a unique design with a subtle grey and light brown dial, integrated steel sports watch case, and a high polish stick indeces. It houses the Swiss-made ETA 954.111 quartz movement and has a comfortable solid link bracelet.

Posted at

May 25, 2026, 11:00 PM

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1960 Longines Conquest Ref. 9020 w/ Cal. 290 – Original Black Dial - $699

Longines - 9020 · $699

A 1960 Longines Conquest Automatic ref. 9020 with an original black dial, powered by the in-house Caliber 290, is being offered for sale. The watch features a 35mm stainless steel case with long, sculpted lugs and a slim profile.

Condition: Excellent condition with minor aging and light hairlines on the case
Dial: Original black dial
Case diameter: 35mm
Lug width: 18mm

Posted at

May 25, 2026, 9:08 PM

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Longines Hydroconquest 43mm -Like New

Longines - L3.782.4.56.6 · $1,180

This Longines Hydroconquest is a 43mm watch with a black dial, purchased new in April and still in fantastic condition.

Condition: Like New
Case size: 43mm
Lug to lug length: 53
Thickness: 11.90mm

Posted at

May 25, 2026, 6:20 PM

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Longines Hydroconquest 41mm - Black Dial

Longines - L3.781.4.56.6 · $975

A Longines Hydroconquest 41mm Automatic watch with a black dial, stainless steel case, and ceramic bezel.

Condition: Good condition, minor scratches/scuffs in sapphire and minimal wear marks on bracelet and clasp
Case size: 41mm diameter
Bezel material: stainless steel and ceramic
Bracelet type: original bracelet (and links)

Posted at

May 24, 2026, 3:31 PM

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Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,750

Longines - L3.783.4 · $1,750

The Longines Hydroconquest Chronograph 41 is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the L688.2 column-wheel chronograph movement with a 54-hour power reserve.

Condition: Very good with minor usage marks
Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
Case size: 41mm diameter
Thickness: 15.6mm

Posted at

May 24, 2026, 12:47 PM

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