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The Encyclopedia of Horology

Wristwatch · Diver's watch

Tudor Submariner Date Reference 79090

Partially verified

This Tudor Submariner Date, reference 79090, is a stainless steel dive watch featuring a 40mm case and a distinct blue color scheme. The watch is powered by an automatic movement and carries the serial number B33xxxx, which corresponds to an estimated production year of 1990. The blue dial is complemented by a matching blue unidirectional rotating bezel insert that exhibits slight fading. The hour markers and Mercedes-style hands feature aged luminous material. The watch is fitted with a Tudor reference 9315 folded-link bracelet, equipped with 380B end links and a clasp stamped ‘O 12’. The crystal includes a cyclops lens over the date display.

Frontal view showing the 40mm stainless steel case, blue dial, and blue bezel insert.
Frontal view showing the 40mm stainless steel case, blue dial, and blue bezel insert. — Bulang & Sons. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.bulangandsons.com
Category
Wristwatch · Diver's watch
Maker / attribution
Tudor
Reference
79090
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1990
Source-reported place
Not established
Source-reported serial
B33xxxx

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 Bracelet Construction

The watch is housed in a 40mm stainless steel case. It features a unidirectional rotating bezel with a blue insert that displays slight signs of fading, alongside an amber-colored tritium pearl at the zero position. The assembly is secured by a Tudor reference 9315 folded-link bracelet, which the vendor identifies as the correct pairing for this model.

The bracelet is integrated with specific 380B end links. The clasp is marked with the code ‘O 12’, providing a specific identifying detail for the bracelet component. The case maintains its original dimensions and is presented in a condition described by the vendor as excellent.

Evidence for this section
  • “40mm steel case”
  • “Blue bezel insert with slight fade and amber-colored tritium pearl”
  • “Tudor 9315 folded-link bracelet with 380B end links”
  • “clasp stamped ‘O 12.’”

Dial and Hands

The dial is rendered in blue and features the signature Submariner layout. The hour markers show signs of age with a developed patina, consistent with the amber-colored lume found on the Mercedes-pattern hands. The dial bears the ‘T-SWISS-T’ signature at the six o'clock position, indicating the presence of tritium.

The watch includes a date function visible through a crystal-mounted cyclops lens. The contrast between the blue dial and the aged luminous markers and hands is noted as a design characteristic that provides a distinct appearance for this specific reference.

Evidence for this section
  • “Blue dial with Mercedes pattern hands”
  • “The hour markers on the bright blue dial have developed a gentle patina”

Mechanical Status and Dating

According to the serial number B33xxxx, the watch is dated to 1990. The movement, which drives the date and time functions, has been fully serviced by the vendor's watchmaker.

This reference is identified as a Tudor Submariner, following the brand's established nomenclature for their diver's watch series.

Evidence for this section
  • “Serial B33xxxx dating to 1990”
  • “Fully serviced by our watchmaker”
  • “One-year mechanical warranty”

Open research questions

  • Does the O 12 clasp code align with the production period of 1990?
  • What is the specific movement caliber used in this reference?

Source evidence

Recorded claims and source quotations for Tudor Submariner Date Reference 79090
FieldSource-reported valueSource quotation
Model reference79090“Tudor Ref 79090 Submariner”
Case diameter40mm“40mm steel case”
Serial numberB33xxxx“Serial B33xxxx dating to 1990”
Bracelet typeFolded-link“Tudor 9315 folded-link bracelet”
End links380B“with 380B end links”
Clasp codeO 12“clasp stamped ‘O 12.’”
Bezel featuresBlue with tritium pearl“Blue bezel insert with slight fade and amber-colored tritium pearl”

Visible details

  • Blue bezel insert with noticeable fading
  • Cyclops lens located over the date aperture
  • Folded-link bracelet features 380B end links
  • Tritium pearl on the bezel is amber-colored

Research qualifications

  • The exact month and day of production within 1990 are not provided
  • The service history prior to the vendor's maintenance is not stated

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

Consulted source

ساعت مچی غواصی Tudor Submariner با صفحه آبی رفرنس 79090

Reviewed 2026-11-02 · Record 1cb6643df1

Terms in this record

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

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