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The Tudor Black Bay GMT Opaline is a 41mm steel travel watch with a matte white-grey, slightly silvery dial—not an officially named “Albino” model. Its colorway recalls the disputed white-dial Rolex GMT-Master 6542, but that resemblance is an analogy, not a confirmed Tudor origin story. The practical appeal is more direct: a jumping local-hour hand, a 24-hour GMT hand and a bidirectional bezel let the watch display up to three time zones.
What “Albino-like” means—and what it doesn’t
Tudor calls the dial opaline. The brand describes its galvanic finish as matte white-grey with a slight silvery hint, rather than stark white, and says the marker surrounds are darkened for contrast. The watch has luminescent markers; Tudor describes the dial as highly legible, though that is a manufacturer characterization rather than an independent measurement. Tudor’s product page and Black Bay GMT collection page give the brand’s description.
The “Albino” comparison refers to alleged white-dial examples of the first-generation Rolex GMT-Master reference 6542. Monochrome’s 23 May 2023 article says only a handful are known and that their originality is debated; it uses the comparison as a visual evocation, not proof of an established historical lineage. Monochrome’s discussion and Hodinkee’s 27 March 2023 launch coverage frame the resemblance as a wink or visual reference. Neither establishes that Tudor officially confirmed direct inspiration.
How the Black Bay GMT tracks three time zones
The GMT hand makes one rotation every 24 hours and points to reference time on the bezel’s 24-hour scale. The local hour hand jumps independently in one-hour increments and is linked to the date, so a traveler can adjust local time without losing the reference-time indication. The bidirectional bezel can then be rotated to read a third zone against the GMT hand. Tudor describes this arrangement on its collection page; the detailed mechanism and operation are specified in its 2023 technical sheet.
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- Tudor Black Bay GMT GMT Automatic Chronometer Opaline Dial Men's Watch M79830RB-0012
- Set the 24-hour GMT hand to your reference time.
- Jump the local hour hand to the destination’s local time; the date changes with the local-hour setting as appropriate.
- For a third zone, rotate the 24-hour bezel so its offset from the GMT hand represents that zone, then read the corresponding hour on the scale.
The technical sheet specifies a 48-notch bidirectional bezel, stop-seconds and an instantaneous date at 3 o’clock. The screw-down crown supports the watch’s rated water resistance, but the GMT function itself is the feature that makes it useful for travel rather than merely a two-color bezel.
Case, movement and key specifications
The fabric-strap reference M79830RB-0012 is a substantial 41mm steel watch: Tudor lists 14.6mm thickness and 22mm lug width. It has a domed sapphire crystal, burgundy-and-blue 24-hour bezel and 200m (660ft) water resistance. Those dimensions make thickness and overall footprint worth considering; they do not establish how the watch will fit a particular wrist.
Rank #2
- 41mm steel case with polished and satin finish
- Bidirectional rotatable bezel in steel with 24-hour graduated anodised aluminium disc
- Self-winding mechanical movement with 70 hour power reserve
| Specification | Tudor-listed detail |
|---|---|
| Reference covered by current US product page | M79830RB-0012, fabric strap |
| Case | 41mm steel; 14.6mm thick; 22mm lug width |
| Crystal and bezel | Domed sapphire crystal; bidirectional burgundy-and-blue 24-hour bezel |
| Water resistance | 200m (660ft) |
| Dial | Opaline, galvanic finish; matte white-grey with a slight silvery hint, according to Tudor |
| Movement | Automatic Manufacture calibre MT5652, COSC-certified |
| Power reserve | Approximately 70 hours |
| Additional movement details | 28 jewels; 28,800 beats per hour (4Hz); non-magnetic silicon balance spring; 31.8mm diameter and 7.52mm thickness, per Tudor’s 2023 technical sheet |
| Guarantee | Five-year transferable guarantee; Tudor says no registration or periodic maintenance checks are required |
The current product details are on Tudor’s M79830RB-0012 page; the additional movement specifications come from the 2023 technical sheet for reference 79830RB. Tudor says calibre MT5652 was designed specifically for the Black Bay GMT.
Bracelet or fabric strap: references and prices
The two configurations share the core watch specification; the choice changes the supplied attachment and the listed price. Tudor’s current US pages display suggested retail prices accessed in 2026, which may change. The 2023 technical sheet separately gives launch-era Swiss prices, not current US pricing.
Rank #3
- Tudor Black Bay 58 GMT "Coke" Automatic 39mm Black Dial Men's Watch M7939G1A0NRU-0001
| Configuration | Reference | Current US suggested retail (Tudor, accessed 2026) | Launch-era Swiss price (Tudor, 2023) |
|---|---|---|---|
| Rivet-style steel bracelet | M79830RB-0010 | $5,275 | CHF 4,100 |
| Black fabric strap with burgundy band and buckle | M79830RB-0012 | $4,925 | CHF 3,800 |
The present US figures are listed on Tudor’s collection page and fabric-strap product page. Launch-era Swiss figures are from the 2023 technical sheet; they should not be read as current US prices.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who should consider this version?
- Frequent travelers: the independently jumping local hour hand and three-zone bezel/GMT arrangement are useful if you routinely track home and destination time.
- Readers drawn to the white-dial look: the dial’s appeal is its muted grey-silver character and contrast with the darkened marker surrounds, not a pure white surface.
- Buyers choosing between configurations: decide whether the rivet-style steel bracelet or black fabric strap is the preferred supplied option, then compare the current price for that exact reference.
- Buyers assessing fit: use the listed 41mm diameter, 14.6mm thickness and 22mm lug width as starting points. Actual comfort cannot be inferred from specifications alone.
Tudor says its watches are sold through Tudor Official Retailers and provides a retailer locator from its product page. Confirm the exact reference, configuration and current price with the retailer.
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- Tudor Black Bay 54 Automatic Chronometer Black Dial Men's Watch M79000N-0001
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- Tudor Black Bay GMT S&G Automatic Chronometer Black Dial Men's Watch M79833MN-0001
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
