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The Encyclopedia of Horology

Wristwatch · Self-winding wristwatch with three time zones

Franck Muller Master Banker Havana Ref. 5850 MB HV

Partially verified

This Franck Muller Master Banker Havana is a self-winding wristwatch housed in an 18K pink gold tonneau-shaped, curved case. The watch features three time zones, with a primary dial for local time and two subsidiary dials for additional time zones, complemented by a date aperture at the three o'clock position. The bicolor silver and bronze dial includes luminous Arabic numerals and yellow gold dart indexes, paired with luminous pink gold alpha hands. The movement is the self-winding Caliber 2800, which features rhodium plating, fausses cotes decoration, 21 jewels, and a rotor with a platinum segment. It measures 32 x 45 mm with a thickness of 12 mm.

Front view of the Franck Muller Master Banker Havana in 18K pink gold.
Front view of the Franck Muller Master Banker Havana in 18K pink gold. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Self-winding wristwatch with three time zones
Maker / attribution
Franck Muller
Reference
5850 MB HV
Catalogue / lot identifier
155
Source-reported date
late 1990's
Source-reported place
Switzerland
Source-reported serial
64

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial Design

The watch features a tonneau-shaped, curved case constructed from 18K pink gold. It is a two-body design with a polished finish and a case back secured by four screws. The assembly includes a domed sapphire crystal to protect the dial.

The dial is presented in a bicolor silver and bronze scheme. It incorporates luminous Arabic numerals for key hour markers and yellow gold dart indexes. Additional functionality is provided by two subsidiary dials designated for the second and third time zones, alongside an aperture for the date display. The time is read via luminous pink gold alpha hands.

Evidence for this section
  • “Two-body, polished, case back with 4 screws, domed sapphire crystal.”
  • “Bicolor silver and bronze with luminous Arabic numerals and yellow gold dart indexes, 2 subsidiary dials for the second and third time zone, aperture for the date.”

Movement and Construction

Power is provided by the Franck Muller Caliber 2800, a self-winding mechanical movement. The caliber is finished with rhodium plating and a fausses cotes decoration. Technical components include 21 jewels, a straight-line lever escapement, and a monometallic balance paired with a shock absorber and a self-compensating flat balance spring.

For adjustment, the movement is equipped with a micrometer regulator. The automatic winding mechanism incorporates a rotor featuring a platinum segment for increased efficiency. The overall thickness of the watch case is 12 mm, accommodating the mechanical structure.

Evidence for this section
  • “Cal. 2800, rhodium-plated, fausses cotes decoration, 21 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, rotor with platinum segment.”
  • “Thickness 12 mm.”

Condition and Included Accessories

The auction house provides a condition grade of AA, indicating the watch is in very good condition. Specifically, the case and dial are described as 'As new'.

The watch is accompanied by an 18K pink gold Franck Muller buckle, which maintains the material integrity of the case.

Evidence for this section
  • “Grading System Grade: AA Very good Case: 1 As new Movement: 1* As new Overhaul recommended, at buyer's expense Dial: 1-01 As new”
  • “Accompanied by the original fitted box and blank warranty.”

Open research questions

  • What is the specific material composition of the platinum segment in the rotor?
  • Does the blank warranty represent a lack of original sale registration, or a re-issue from the manufacturer?

Source evidence

Recorded claims and source quotations for Franck Muller Master Banker Havana Ref. 5850 MB HV
FieldSource-reported valueSource quotation
MakerFranck Muller“Franck Muller, Genève”
Reference5850 MB HV“Ref. 5850 MB HV”
Serial Number64“No. 64”
Case Material18K pink gold“18K pink gold wristwatch”
Case Dimensions32 x 45 mm“Dim. 32 x 45 mm.”
MovementCaliber 2800“M. Cal. 2800”
Complications3 time-zones and date“3 time-zones, date”
CrystalDomed sapphire“domed sapphire crystal.”

Visible details

  • Bicolor silver and bronze dial surface
  • Luminous Arabic numerals at 6, 9, and 12 o'clock
  • Crown positioned at 3 o'clock
  • Brown leather strap with visible grain

Research qualifications

  • Condition grading is reported by the auction house
  • Requirement for movement overhaul is suggested by the auction description

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Three Time Zone - Master Banker - Havana Franck Muller, Genève, Cintrée Curvex - Master Banker Havana, No. 64, Ref. 5850 MB HV. Made in the late 1990's. Fine, tonneau-shaped, curved, center seconds, self-winding, 18K pink gold wristwatch with 3 time-zones, date and an 18K pink gold Franck Muller buckle. Accompanied by the original fitted box and blank warranty.

Reviewed 2026-10-26 · Record 94a8cdd866

Terms in this record

Glossary explanations for terms named in this object’s record.