Skip to content

Factory Serviced Breguet Marine World Time Hora Mundi 18K Yellow Gold Watch 3700

Sale price $12,999.99

Shipping calculated at checkout

Only 1 in stock

Breguet Hora Mundi World Time – Ref. 3700BA/129/V6 in 18K Yellow Gold

Rare and undervalued luxury travel watch with world time complication

Breguet, founded in 1775 by Abraham-Louis Breguet, remains one of Switzerland’s most historically important maisons, revered for its innovation, refinement, and technical artistry. The Hora Mundi line showcases the brand’s mastery of travel complications, combining practicality with unmistakable Breguet elegance.

The reference 3700BA/129/V6 is a sophisticated World Time wristwatch crafted in 18K yellow gold. At 38mm, it wears with timeless proportions, balancing refinement with modern usability. The beautifully finished automatic movement powers the signature rotating city ring and day/night indication—making it a serious collector’s piece and an ideal daily companion for global travelers.

Breguet Hora Mundi Ref. 3700BA/129/V6 – 18K Yellow Gold World Time Wristwatch

Key Features

18K Solid Yellow Gold case, 38mm
World Time complication with city disk & day/night indicator
Automatic Breguet movement with high-grade finishing & 21K Gold Rotor. 
Highly undervalued reference – excellent investment potential. Don't forget to check our blog on our site about - Undervalued and underappreciated — the Breguet Hora Mundi World Time Ref. 3700BA / 129 / V6

Condition – Flawless with recent factory service, looks better than new. 
Factory Serviced – 12/2019 (Fully Factory Serviced and Overhauled took about 8 Months) 
Distinctive world time functionality through the exquisite crown – Divided into two parts: (i) the inner block-shape engraved with 'BREGUET' and (ii) the beautifully adorned outer dome.

(i) The inner block shape rotates the reference cities on the outer bezel. There's no need to pull the crown out; it remains easily accessible.
(ii) The outer domed crown controls the remaining functions, such as setting the local time.

Please review all photos carefully as they form part of the description. This timepiece is tested, fully operational, and ready to wear or display in any serious collection.


Specifications

Reference 3700BA/129/V6
Case 18K Yellow Gold
Case Size 38mm (without crown)
Case Back Solid 18K Yellow Gold
Crown Fluted gold crown
Crystal Sapphire crystal
Dial
  • Silvered Center Dial
  • Central disc with Meridians and Parallels
  • Surrounded by a plain silver 12-hour ring dial with painted radial Roman numerals
  • Revolving 24-hour ring for the second time zone with Arabic numerals
  • Outermost silver ring bearing the names of 24 cities in the world
  • Rotated with the inner crown
  • Aperture for the date
  • Blued Breguet hands
  • Date at 3 O'clock.  Please see the pictures for more details.
Complications World Time, Day/Night indication
Movement
  • Automatic self-winding movement
  • Rhodium-plated, Fausses cotes decoration
  • 36 jewels
  • Straight-line lever escapement
  • Monometallic balance
  • Shock Absorber
  • Self-Compensating flat balance spring
  • 21K Gold Rotor
Strap High-quality leather strap
Box & Papers Includes Breguet Service Box
Timing Test 0 s/day  In-House Time Test Results (See Service Level Tab)**
Certified Pre-Owned Passed 25-point inspection – Service Level: 1
Notes Made in Switzerland. All functions are tested and working.

Collector’s Insight

The Breguet Hora Mundi Ref. 3700BA remains one of the most undervalued world time watches on the secondary market. With its elegant 38mm 18K gold case, practical world time complication, and Breguet’s unmatched heritage, this reference offers exceptional value compared to competing world timers from Patek Philippe or Vacheron Constantin. For collectors seeking a rare opportunity to acquire a complication-rich Breguet at a still accessible price point, this timepiece is an outstanding choice.

Shop with confidence

  • Certified Authentic
  • 3% Cash Discount
  • Trusted reviews
  • No Sales Tax - Outside CA
  • Certified Pre-Owned
  • Fast shipping +$1,000
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Testimonials

Blog posts

Vintage Omega Chronograph Prices UP

1938 Vintage Omega Chronograph CK 2077-3 Vintage Omega chronograph watches have seen a remarkable rise in collecto...

Top Watch Brands with Ownership and Revenue 2025

This is a basic list that includes luxury, independent, and fashion watch brands with available data on revenue, ma...

Frédéric Piguet Caliber 21

Frédéric Piguet Caliber 21 – A Masterpiece in Ultra-Flat Watchmaking The Frédéric Piguet caliber 21 is a vint...
Back to top