| Case width | 41 mm | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies 41 mm for ref. 7941A1A0NU; no independent matching observation was read. |
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| Lug to lug | 49.3 mm | Tudor Black Bay Monochrome exact ref listing – Timekeeper PH One cited source. Timekeeper PH exact-reference listing reports 49.3 mm L2L. Tempus Europa reports 50 mm; choose the exact seller listing and retain the database alternative. |
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| Thickness | 13.6 mm | TUDOR Black Bay M7941A1A0NU-0001 official product pageTudor Black Bay Monochrome exact ref listing – Timekeeper PH Sources agree. Tudor official exact-reference page lists 13.6 mm; Timekeeper PH independently lists the same. |
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| Lug width | 21 mm | TUDOR Black Bay M7941A1A0NU-0001 official product pageTudor Black Bay Monochrome exact ref listing – Timekeeper PH Sources agree. Tudor official exact-reference page lists 21 mm lug width; Timekeeper PH independently lists the same. |
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| Movement type | self-winding mechanical | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies self-winding mechanical for ref. 7941A1A0NU; no independent matching observation was read. |
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| Movement calibre | MT5602-U | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies MT5602-U for ref. 7941A1A0NU; no independent matching observation was read. |
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| Case material | stainless steel | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies stainless steel for ref. 7941A1A0NU; no independent matching observation was read. |
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| Crystal | domed sapphire | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies domed sapphire for ref. 7941A1A0NU; no independent matching observation was read. |
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| Water resistance | 200 m | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies 200 m for ref. 7941A1A0NU; no independent matching observation was read. |
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| Bezel | unidirectional 60-minute stainless steel bezel with black aluminium insert | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies unidirectional 60-minute stainless steel bezel with black aluminium insert for ref. 7941A1A0NU; no independent matching observation was read. |
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| Functions | hours, minutes, seconds; stop seconds | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies hours, minutes, seconds; stop seconds for ref. 7941A1A0NU; no independent matching observation was read. |
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| Lume | Grade A Swiss Super-LumiNova | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies Grade A Swiss Super-LumiNova for ref. 7941A1A0NU; no independent matching observation was read. |
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| Power reserve | 70 hours | TUDOR Black Bay press kit, reference 7941A1A0NU One primary source. The manufacturer's read technical material specifies 70 hours for ref. 7941A1A0NU; no independent matching observation was read. |
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