Black Bay One 31 S&G
79603
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- 31 mm · Stainless steel
- Thickness
- 9.5 mm
- Water
- 100 m
- Bezel
- Fixed · Yellow gold 18k
- Calibre
- MT5201 · 50 h
- Dial
- Black with diamond hour markers
- Bracelet
- Bracelet

79603
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| Code | Variant | Dial | Bracelet or strap | Price | Status |
|---|---|---|---|---|---|
| 0008 | — (default) | Champagne (Champagne-colour with diamond hour markers), Champagne-colour with diamond hour markers, flat | Bracelet | €7,100 | — |
| 0001 | — | Black | Bracelet | €6,310 | — |
| 0002 | — | Silver | Bracelet | €6,310 | — |
| 0005 | — | Champagne (Champagne-colour) | Bracelet | €6,310 | — |
| 0006 | — | Black (Black with diamond hour markers) | Bracelet | €7,100 | — |
| 0007 | — | Silver (Silver with diamond hour markers) | Bracelet | €7,100 | — |
The Tudor Black Bay One 31 S&G 79603 is a women's watch. It is in production. It has a 31 mm stainless steel case, 9.5 mm thick and water-resistant to 100 m. It has a black dial. It uses the automatic calibre MT5201, with a 50-hour power reserve. It is certified COSC. It comes on a steel and yellow gold bracelet with a folding clasp.
Generated from the collected facts.
From €6,310 across 6 priced configurations, listed under Variants.
From other collections and brands, ranked by recorded size, case metal, dial, bezel, water resistance, movement, bracelet, lume and power reserve.








| When (UTC) | Field | Change | By |
|---|---|---|---|
| 23 Oct 2026 15:46 | current_retail_amount | 6310 → 7100 | Tudor |
| 23 Oct 2026 15:46 | dial_color_detail | Silver → Black with diamond hour markers | Tudor |
| 23 Oct 2026 15:46 | dial_color | silver → black | Tudor |
| 23 Oct 2026 15:46 | dial_color_detail | Black → Silver | Tudor |
| 23 Oct 2026 15:46 | dial_color | black → silver | Tudor |
| 23 Oct 2026 15:46 | dial_color_detail | Silver with diamond hour markers → Black | Tudor |
| 23 Oct 2026 15:46 | dial_color | silver → black | Tudor |
| 23 Oct 2026 15:46 | current_retail_amount | 6310 → 7100 | Tudor |
| 23 Oct 2026 15:46 | dial_color_detail | Champagne-colour → Silver with diamond hour markers | Tudor |
| 23 Oct 2026 15:46 | dial_color | champagne → silver | Tudor |
| 23 Oct 2026 15:46 | current_retail_amount | 7100 → 6310 | Tudor |
| 23 Oct 2026 15:46 | dial_color_detail | Champagne-colour with diamond h… → Champagne-colour | Tudor |
| 23 Oct 2026 15:46 | current_retail_amount | — → 7100 | Tudor |
| 23 Oct 2026 15:46 | caliber_id | — → 1370 | Tudor |
| 23 Oct 2026 15:46 | water_resistance_m | — → 100 | Tudor |
| 23 Oct 2026 15:46 | production_status | unknown → in_production | Tudor |
| 23 Oct 2026 15:46 | power_reserve_hours | — → 50 | Tudor |
| 23 Oct 2026 15:46 | movement_type | — → automatic | Tudor |
| 23 Oct 2026 15:46 | movement_source | — → in_house | Tudor |
| 23 Oct 2026 15:46 | lug_width_mm | — → 17 | Tudor |
163 further observations were superseded, outvoted or are waiting for review.
Primary source: Tudor (Official brand, trust 5 of 5)Review: AutoLast collected: 23 Oct 2026Last verified: —Family: 79603