Tudor Black Bay One 36 (M79640-0001) — short spec
Short overview, not a review. Pros and cons restate published facts only. No buying advice. Numbers not shown on a source we opened are omitted or marked unpublished.
Tudor’s Black Bay One M79640-0001 pairs a 36 mm polished-and-satin steel case with an anthracite dial, fixed polished-and-satin steel bezel, and steel bracelet with T-fit clasp.
The Black Bay One line also lists 31, 39, and 41 mm steel references on Tudor’s site. This page covers the 36 mm anthracite-dial steel-bracelet version. Lug-to-lug is not on Tudor’s product page.
Verified specs
| Item | Published | Source |
|---|---|---|
| Reference | M79640-0001 — anthracite dial, steel bracelet | Tudor product page |
| Case diameter | 36 mm steel, polished and satin finish | Tudor product page |
| Case thickness | 10.5 mm | Tudor product page |
| Lug width | 19 mm | Tudor product page |
| Lug-to-lug | Unpublished on Tudor’s product page | Tudor product page |
| Water resistance | 100 m (330 ft) | Tudor product page |
| Crystal | Flat sapphire | Tudor product page |
| Bezel | Stainless steel bezel with polished and satin finish; fixed bezel | Tudor product page (finish); Tudor Black Bay One family page (fixed bezel) |
| Dial | Anthracite | Tudor product page |
| Movement | Manufacture Calibre MT5400 (COSC); self-winding; bidirectional rotor | Tudor product page |
| Power reserve | Approximately 70 hours | Tudor product page |
| Bracelet | Five-link stainless steel bracelet, polished and satin finish, with TUDOR T-fit folding clasp and safety catch | Tudor Black Bay One family page (five-link); Tudor product page (bracelet, clasp, finish) |
| The Hour Glass price | S$6,190 | The Hour Glass: "SUGGESTED RETAIL PRICE INCLUSIVE OF TAXES" |
Fit on 6–7 in wrists (6.5 in reference)
Fit: Incomplete (lug-to-lug unpublished). Tudor’s product page for M79640-0001 lists 36 mm wide and 10.5 mm thick, and does not list lug-to-lug.
The flat top of the wrist (usable span) is the width a watch’s lug-to-lug is compared with.
Not published
- Lug-to-lug on Tudor’s product page.
- A Singapore-dollar price on Tudor’s product page.
Short overview
Pros (from published facts)
- Tudor publishes 36 mm case, 10.5 mm thickness, and 19 mm lugs for
M79640-0001. - Manufacture calibre MT5400 (COSC, an independent chronometer certificate) with an approximate 70-hour reserve and 100 m water resistance, on Tudor’s product page.
Cons / gaps (from published facts)
- Lug-to-lug is unpublished on Tudor’s product page.
Singapore note
The authorised dealers guide lists The Hour Glass and Cortina Watch for Tudor. The Hour Glass lists S$6,190 for M79640-0001. Watches are not subject to customs duty in the usual consumer path (see Buying in Singapore).
Sources
- Tudor — Black Bay One M79640-0001
- Tudor — Black Bay One family page
- The Hour Glass Singapore — Tudor Black Bay One M79640-0001
- Tudor Black Bay One
M79640-0001— Photo: Tudor press / © Tudor; self-hosted official packshot (images/products/tudor-black-bay-one-36-m79640-0001.jpg). Source CDN:media.tudorwatch.comcatalogue upright assettudor-m79640-0001. Not a try-on.