Tudor Black Bay Fifty-Eight M79030N vs Tudor Black Bay GMT "Pepsi" (ref. M79830RB)
Specifications
Marked rows differ| Case | ||
| Case diameter | 39 mm | 41 mm |
|---|---|---|
| Thickness | 11.9 mm | 14.6 mm |
| Lug-to-lug | 47.75 mm | 50 mm |
| Water resistance | 200 m | 200 m |
| Movement | ||
| Movement | Automatic (self-winding) | Automatic (self-winding mechanical) |
| Caliber | Manufacture Calibre MT5402 | Manufacture Calibre MT5652 |
| Price | ||
| Launch MSRP | $3,575 | $3,900 |
| Details | ||
| Balance spring | Non-magnetic silicon | — |
| Bezel | Unidirectional rotatable steel bezel with 60-minute scale and pink-gilt markings | Bidirectional rotatable 48-notch steel bezel with 24-hour graduated anodized aluminium disc in matte burgundy and blue |
| Bezel insert | Anodised aluminium | — |
| Bracelet | Riveted steel bracelet, tapering from 20mm to 16mm | Riveted steel bracelet with folding clasp and safety catch; leather and fabric strap options also offered |
| Case material | Stainless steel | Stainless steel with polished and satin finish |
| Chronometer certification | COSC-certified chronometer | — |
| Cosc certified | — | true |
| Crystal | Sapphire | Domed sapphire |
| Dial color | Matte black | Black (domed) |
| Frequency vph | 28800 | 28800 |
| Gmt function | — | Flyer GMT — independently adjustable, jumping local hour hand plus a 24-hour hand |
| Hands | Snowflake | Snowflake hour and minute hands; red 24-hour GMT hand |
| Jewels | 27 | 28 |
| Lug width mm | 20 | 22 |
| Lume | Gilt-toned (faux-patina) luminescent hands and markers | Luminescent hour markers and hands |
| Movement dimensions | — | 31.8mm x 7.52mm |
| Power reserve hours | 70 | 70 |
| Price chf launch | — | CHF 3,700 (bracelet) / CHF 3,400 (strap) |
| Reference | — | M79830RB |
| Release year | — | 2018 |
| Strap options | Riveted steel bracelet, brown leather, or black Jacquard fabric | — |
Sources
Verified · 12 referencesEvery spec on this page was independently checked against the sources below before publishing.