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The Encyclopedia of Horology

Wristwatch · Dive watch

Tiffany & Co. 18K Yellow Gold and Stainless Steel Dive Watch, Ref. L1720

Partially verified

According to the seller, this Swiss-made dive wristwatch was produced circa 1990 by luxury retailer Tiffany & Co. under reference L1720. The 32 mm stainless steel case is accented with 18k yellow gold trim and a unidirectional rotating dive bezel with a black insert. A matte black dial displays gold-toned luminous dot and triangular hour markers, Mercedes hands, a central sweep seconds hand, and a date window at the 3 o'clock position. The source states the watch is powered by a quartz movement and has been fitted with a later replacement black textured band.

Tiffany & Co. Reference L1720 quartz dive watch in stainless steel and 18k gold
Tiffany & Co. Reference L1720 quartz dive watch in stainless steel and 18k gold — Renaissance Antiques. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.renaissanceantiques.com
Category
Wristwatch · Dive watch
Maker / attribution
Tiffany & Co.
Reference
L1720
Catalogue / lot identifier
AAUC 1410 P
Source-reported date
Circa 1990
Country
Switzerland

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 External Construction

The timepiece features a 32 mm stainless steel case with 18K yellow gold trim. It includes a unidirectional rotating bezel with gold elements.

The watch is currently equipped with a replacement band; the original strap specifications are not recorded in the source.

Evidence for this section
  • “stainless steel case with stylish trims of 18K yellow gold”
  • “The gold bezel is unidirectional.”
  • “fitted on a later band”

Dial and Hands

The watch features a matte black dial marked 'TIFFANY & CO.' and 'SWISS MADE'. Hour markers consist of gold and luminous dots and triangles.

The dial displays the time using gilt Mercedes-style hands and a gold sweep seconds hand. A date window is positioned at the 3 o'clock mark.

Evidence for this section
  • “displays the time on a black matte dial appointed with gold and luminious hour markers and Mercedes hands”
  • “gold sweep seconds hand”

Mechanism and Dating

The watch is powered by a quartz movement. The source identifies the production period as circa 1990.

Internal movement caliber details and internal case-back markings are not recorded in the source material.

Evidence for this section
  • “Ref #L1720 is powered by a quartz movement”
  • “Circa 1990”

Open research questions

  • What movement caliber is utilized within the L1720 reference?
  • Does the internal case-back marking identify the manufacturer contracted by Tiffany & Co. for this model?
  • What specific type of band was originally intended for reference L1720?

Source evidence

Recorded claims and source quotations for Tiffany & Co. 18K Yellow Gold and Stainless Steel Dive Watch, Ref. L1720
FieldSource-reported valueSource quotation
MovementQuartz“powered by a quartz movement”
ReferenceL1720“Reference #L1720”
Case MaterialStainless steel and 18K yellow gold“stainless steel case with stylish trims of 18K yellow gold”
BezelUnidirectional gold bezel“The gold bezel is unidirectional.”
BandLater replacement band“fitted on a later band”
Lot IdentifierAAUC 1410 P“SKU: AAUC 1410 P”

Visible details

  • Matte black dial marked 'TIFFANY & CO.' and 'SWISS MADE'
  • Date window positioned at 3 o'clock
  • Gilt Mercedes-style hands and center seconds hand
  • Unidirectional rotating dive bezel with black insert and gold numerals
  • Stainless steel case with gold accents and prominent crown guards
  • Fitted with a black lizard-grain patterned leather strap

Research qualifications

  • Movement caliber and internal case markings are neither shown nor specified
  • Band is noted by the source as a later replacement

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

Consulted source

Swiss 18K Yellow Gold and Stainless Steel Dive Watch by Tiffany & Co. - Renaissance Antiques

Reviewed 2026-10-21 · Record c63e7c1a27

Terms in this record

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