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The Encyclopedia of Horology

Wristwatch · Diver's wristwatch

Omega Seamaster Planet Ocean 600M Reference 2900.50.91

Partially verified

The Omega Seamaster Planet Ocean 600M, reference 2900.50.91, is a first-generation diver's wristwatch introduced by Omega in 2005. The watch features a 45.5mm stainless steel case characterized by twisted lugs. The dial is matte black and incorporates a 'broad arrow' handset with matching indices. Timekeeping functions include a date display at the 3 o'clock position. The exterior design features a rotating bezel with a dive-timing scale and a helium escape valve positioned at the 10 o'clock mark. Water resistance is rated to 600 meters. The watch is presented on a stainless steel metal bracelet. This specific reference is associated with the 2006 film Casino Royale. The movement is specified as a Co-Axial Chronometer.

Front view of the Omega Seamaster Planet Ocean 600M
Front view of the Omega Seamaster Planet Ocean 600M — Analog:Shift. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
analogshift.com
Category
Wristwatch · Diver's wristwatch
Maker / attribution
Omega
Reference
2900.50.91
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
2000s
Source-reported place
Not established

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

The watch is housed in a 45.5mm stainless steel case featuring the twisted-lug design that distinguishes this model. The exterior includes a unidirectional rotating bezel equipped with a dive-timing scale for underwater measurement. A helium escape valve is integrated into the side of the case at the 10 o'clock position.

The dial is finished in a matte black color and is set with luminous indices. It features a specific 'broad arrow' style handset used to indicate the hours, minutes, and seconds. A date aperture is located at the 3 o'clock position on the dial face, which also displays the branding, chronometer certification, and depth rating.

Evidence for this section
  • “45.5mm twisted-lug case”
  • “matte black dial with matching 'broad arrow' handset”
  • “helium escape valve at 10:00”
  • “rotating bezels graduated with dive-timing scales”

Movement and Functionality

The watch operates as a Co-Axial Chronometer, incorporating technical specifications developed for high-precision timekeeping. The movement supports the watch's professional-grade depth rating, allowing for operation up to 600 meters underwater.

The timepiece is designed for diver utility, utilizing the broad arrow hands for high visibility and the bezel for timing submersions.

Evidence for this section
  • “increased water resistance”

Provenance and Identification

The reference 2900.50.91 is identified as a first-generation model within the Planet Ocean series. The production period is attributed to the 2000s.

This particular watch is cited as having been featured in the 2006 film Casino Royale, linking it to the cinematic appearance of the Omega Seamaster line on the character Agent 007.

Evidence for this section
  • “first-gen Planet Ocean dating to the 2000s”
  • “featured in Casino Royale”
  • “If it was good enough for a certain Agent 007 on the silver screen back in 2006”

Open research questions

  • What is the specific movement caliber used in the 2900.50.91 reference?
  • Does the current bracelet configuration match the original factory specifications for the 2900.50.91 reference, given the source text mentions an Isofrane strap?

Source evidence

Recorded claims and source quotations for Omega Seamaster Planet Ocean 600M Reference 2900.50.91
FieldSource-reported valueSource quotation
Reference2900.50.91“reference 2900.50.91”
Case diameter45.5mm“45.5mm twisted-lug case”
Helium valve location10:00“helium escape valve at 10:00”
Dial colormatte black“matte black dial”
Introduction year2005“Introduced in 2005”
Associated mediaCasino Royale“featured in Casino Royale”

Visible details

  • Helium escape valve positioned at the 10 o'clock mark
  • Broad arrow style hands
  • Rotating bezel with dive-timing scale
  • Stainless steel case with twisted lugs

Research qualifications

  • The source refers to a 'green Isofrane rubber strap' but the provided photos show the watch on a stainless steel metal bracelet
  • The exact production year is not specified beyond 'dating to the 2000s'

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

Consulted source

Omega Seamaster Planet Ocean 600M

Reviewed 2026-11-02 · Record 789597d36f

Terms in this record

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

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