CALYPSO 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 615 t (625 tnes)
- DISPLACEMENT SUBMERGED: 776 t (788 tnes)
- MACHINERY: Two Screws, Diesel/Electric
Motors; 1,250/1,000 hp - LENGTH: 205 ft (62.48 m)
- BEAM: 17.75 ft (5.4 m)
- DRAUGHT: 12.75 ft (3.90 m)
- PERFORMANCE SURFACED: 14 knots
- PERFORMANCE SUBMERGED: 7.5 knots
- ARMAMENT: 7 550mm TT; 1 75mm gun
- SURFACE RANGE: 3,500 nm (6,482 km)
at 10 knots - CREW: 41
- LAUNCHED: January 15, 1926