Tudor 9050: what is it?

The Tudor 9050 is a stainless-steel Prince Oysterdate with an approximately 34 mm Oyster case, automatic winding, and a date display at 3 o’clock. Surviving examples are associated with both Tudor cal. 2472 and ETA 2784-based movements, along with several dial executions.

Which movement does the Tudor Prince Oysterdate 9050 use?

Documented 9050 examples use Tudor cal. 2472 or ETA 2784-based automatic movements. The evidence supports a movement transition within the broader family, but not an authoritative date for that changeover.

Is the Prince Oysterdate 9050 chronometer-certified?

No chronometer certification is established for the 9050 in the available evidence. The reference is documented as an automatic mechanical watch with a date display, not as a chronometer-certified model.

What should I check before buying a Prince Oysterdate 9050 for sale?

Check the movement, dial originality, hand and lume consistency, case geometry, bracelet and clasp, date function, and service condition. Do not assume that a Rolex-signed caseback, a seller’s date, or a rare-colour claim proves originality.

What affects Prince Oysterdate 9050 value?

Value is most affected by verified originality, case integrity, attractive original dial and hands, correct bracelet components, documentation, and mechanical health. Grey and blue examples may attract attention, but colour alone does not establish rarity or a premium.

Tudor Prince Oysterdate 9050

The Tudor Prince Oysterdate 9050 is a transitional Oysterdate whose documented 2472 and ETA 2784 examples make each individual watch more informative than its reference number alone.

Production: late 1960s–early 1980s
Case: c. 34 mm steel
Lugs: 19 mm
Thickness: c. 10 mm
Bezel: Typically smooth
Crystal: Plexiglass
Dial: Silver, black, blue, grey
Date: 3 o’clock, usually magnified
Movement: Cal. 2472 / ETA 2784
Winding: Automatic
Lume: Dial-specific
Water resistance: Not guaranteed

The Tudor Prince Oysterdate 9050 was produced from the late 1960s to the early 1980s.

Production years: late 1960s–early 1980s
Movement: Cal. 2472 / ETA 2784

The Tudor Prince Oysterdate 9050 is the Oysterdate reference where a single number begins to conceal several different watches. One documented 1977–78 example has a matte blue dial with no luminous plots and matching hands, while another dated 1980 carries a grey dial. Both sit within the same approximately 34 mm steel Oyster format, yet neither dial can be used as a universal date code. That tension is the defining fact of the Tudor 9050: it belongs to a transitional family, and its surviving details matter more than a supposedly fixed catalogue specification.

“The Tudor 9050 is a reference number attached to a changing Oysterdate family, so originality is judged trait by trait: case, dial, lume, hands, movement, and date evidence must agree.”

Production timeline

Tudor Prince Oysterdate 9050 production years: late 1960s–early 1980s

The 9050 has no securely documented factory start or end date, so the timeline begins with surviving examples rather than an asserted catalogue cutoff. A 1968 watch establishes that the reference was already in circulation by that year, and its quick-set date and non-luminous dial show that even an early documented example cannot stand for every later configuration. The reason the dial spread is not a clean sequence is not documented. Silver, white, black, blue, and grey executions are recorded, but the records do not show that one colour replaced another at a known date.

1968
Early example
No luminous plots; date at 3 o’clock
c. 1970 – 1979
Dial range
Colour alone does not establish dating
1977 – 1978
Blue no-lume
No lume on dial or hands
1980
Grey example
Grey dial; standard Oysterdate layout
c. 1980 – 1989
Related designation
Five-digit reference presentation

How to tell it apart

9050 against its neighbours

These comparisons place the 9050 between two generations. The 7966 is the 1960s watch before it, with an ETA 2462 or 2484-family movement and a date that does not quick-set. The 74034 and the midsize 72000 are what followed: ETA 2824-2 automatics with quick-set dates, the 74034 with a fluted white-gold bezel and the 72000 in a smaller 32 mm steel case. The 9050 sits between them, with an acrylic crystal and a cal. 2472 or ETA 2784 movement.

	7966 Earlier 1960s Prince Oysterdate c. 1959–1960s	This reference 9050 Tudor · focal late 1960s–early 1980s	74034 Later 34 mm steel line, fluted white-gold bezel late 1980s–at least 2002	72000 Later midsize steel Oysterdate late 1980s–1990s
Production	c. 1959–1960s	late 1960s–early 1980s	late 1980s–at least 2002	late 1980s–1990s
Case	34 mm; steel, gold, two-tone	c. 34 mm steel	34 mm steel	Steel, 31.5–32 mm
Bezel	Smooth; gold on two-tone	Typically smooth	18k white gold, fluted	Smooth steel
Crystal	Acrylic; Cyclops seen	Plexiglass	Acrylic or sapphire	Acrylic or mineral
Movement	ETA 2462 / 2484-family	Cal. 2472 / ETA 2784	Tudor Auto-Prince / ETA 2824-2	ETA 2824-2; 2826 or 2784 reported
Date	At 3; non-quickset	3 o’clock, usually magnified	Quick-set, magnified	At 3 o’clock

Dial generations

Four dial generations across the run

On the wrist, a silver, white, or light dial gives the 34 mm case a brighter, more open appearance, with applied hour markers carrying much of the visual structure. These colours are recorded for 9050 examples, but the available evidence does not establish a formal colour sequence or prove that all light dials belong to one production window.

Buying guide

What to check before buying a 9050

Buying a Tudor Prince Oysterdate 9050 is less about finding a single correct specification than about finding a coherent individual watch. The principal risks are mixed parts, refinished dials, over-polished cases, uncertain reference usage, and movement descriptions copied from later ETA calibres. A seller’s date or the presence of a Rolex-signed caseback cannot settle those questions by itself.

Inspect the movement

Open the watch and identify the architecture and markings. Tudor cal. 2472 and ETA 2784-based movements are both documented in 9050 examples, while an ETA 2824-2 description should not be accepted as proof of the original configuration.

Read the dial in hand

Check printing, applied markers, date-wheel typography, hand matching, and the actual presence or absence of lume. A blue no-lume example is documented, but blue colour alone does not establish no-lume construction.

Judge the case

Look for rounded lugs, erased bevels, weak engravings, and incorrect proportions. The approximately 34 mm steel Oyster case is a central part of the reference, and over-polishing can matter more than a clean replacement crystal.

Separate bracelet from reference

A Tudor or Rolex-signed Oyster-style bracelet may be period-correct, but leather, replacement, and aftermarket bracelets are also encountered. Check end links, clasp markings, stretch, solder repairs, and whether the bracelet belongs to the watch.

Assume no water resistance

The Oyster name is not a current pressure-test certificate. Documented examples are explicitly untested or offered without guaranteed water resistance, so the watch should remain dry until it has been serviced and pressure-tested.

Value mechanical evidence

Ask for service records and current running results rather than treating a handsome dial as proof of health. Date function, corrosion, rotor wear, amplitude, beat error, and power reserve should be assessed by a competent watchmaker.

Every watch sold on Grey Market goes through this kind of inspection, hands-on, before it ships to the buyer. More in our FAQ

Price and value

Tudor Prince Oysterdate 9050 price and value

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Tudor Prince Oysterdate 9050 for sale

Auctions on Grey Market run on seven-day cycles, every watch verified before it sells. Browse what's live now, or consign your 9050.

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Grey Market runs watch auctions for vintage and neo-vintage pieces, every lot reviewed before it lists and verified before the seller is paid, and the Watch Exchange, where ID-verified users buy and sell at a fixed price. Selling one? See the ways to sell a Tudor, or check what it’s worth. For more vintage Tudor, see the Tudor reference guide.

Grey Market results

What a 9050 has sold for here

One 9050 has sold on Grey Market, verified before it shipped.

Girard-Perregaux - 9050

Sold Jul 27, 2026

$2,900

Similar references

Adjacent in the Prince Oysterdate family

1960s Prince Oysterdate, steel, gold or two-tone

7966

c. 1959–1960s

34 mm steel and gold, fluted bezel

74033

c. late 1980s–late 1990s

34 mm steel, white-gold fluted bezel

74034

late 1980s–at least 2002

Midsize 32 mm steel Oysterdate

72000

late 1980s–1990s

Quartz-era Oysterdate on the 78370 bracelet

78370

c. 1980–c. 1990

Frequently asked

Common questions about the 9050

The Tudor Prince Oysterdate 9050 was documented from the late 1960s to the early 1980s. The available evidence does not establish a definitive factory start or end date, and individual records may reflect production estimates or sale dates rather than a catalogue cutoff.

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Reviewed by the Grey Market authentication team · Last verified 2026-10-24

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