Blancpain runs Fifty Fathoms in 42.3mm and 45mm at 300m, with the Bathyscaphe 38 at 38mm × 10.7mm as the slimmer modern option. The Villeret dress line stays at 40mm, balancing classical proportions with the brand's 5-day Cal. 1315 movement architecture.
| Family | Model | Reference | Diameter | Thickness | Lug-to-Lug | Lug Width | Bracelet Taper | Water | Movement |
|---|---|---|---|---|---|---|---|---|---|
| Fifty Fathoms | Fifty Fathoms Automatic 42 | 5010 | 42.3 mm | 14.3 mm | 49.0 mm | 21 mm | 21 → 18 mm | 300 m | Cal. 1315 |
| Fifty Fathoms | Fifty Fathoms Automatic 45 | 5015 | 45 mm | 15.5 mm | 52.0 mm | 23 mm | 23 → 20 mm | 300 m | Cal. 1315 |
| Fifty Fathoms | Fifty Fathoms 70th Anniversary | 5010-1130-B64A | 42.3 mm | 14.3 mm | 49.0 mm | 21 mm | 21 → 18 mm | 300 m | Cal. 1315 |
| Bathyscaphe | Fifty Fathoms Bathyscaphe 38 | 5100 | 38 mm | 10.7 mm | 45.0 mm | 19 mm | 19 → 16 mm | 300 m | Cal. 1150 |
| Bathyscaphe | Fifty Fathoms Bathyscaphe 43 | 5000 | 43 mm | 13.4 mm | 50.0 mm | 21 mm | 21 → 18 mm | 300 m | Cal. 1315 |
| Bathyscaphe | Bathyscaphe Chronograph Flyback | 5200 | 43.6 mm | 15.25 mm | 50.0 mm | 21 mm | 21 → 18 mm | 300 m | Cal. F385 |
| Villeret | Villeret Ultraplate | 6651 | 40 mm | 9.1 mm | 46.0 mm | 20 mm | 20 → 16 mm (alligator) | 30 m | Cal. 1151 |
| Villeret | Villeret Quantième Complet | 6654 | 40 mm | 10.95 mm | 46.0 mm | 20 mm | 20 → 16 mm (alligator) | 30 m | Cal. 6654 |
| Villeret | Villeret Moonphase | 6664 | 40 mm | 10.95 mm | 46.0 mm | 20 mm | 20 → 16 mm (alligator) | 30 m | Cal. 6764 |
| Air Command | Air Command | AC02 | 42.5 mm | 13.85 mm | 48.0 mm | 20 mm | 20 → 18 mm (leather) | 30 m | Cal. F388B |
| L-Evolution | L-Evolution Carrousel Volant | 8805 | 43.5 mm | 12.95 mm | 50.0 mm | integrated | rubber strap | 50 m | Cal. 225 |
Specs from the manufacturer's published technical data. Lug-to-lug values reflect commonly-cited caliper measurements where the manufacturer does not publish them and may vary by ±0.5 mm. References cover the principal current production variants per family - bezel, dial, and metal-option references usually share case dimensions.
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