Design Inspiration: Named after the Soviet "Papa" class nuclear-powered attack submarine, which set a speed record of 44.7 knots (over 82 km/h).

Design & Size: Features a large, bold 48mm diameter case (16mm thickness) made from 316L stainless steel or titanium, often featuring black PVD coating.

Illumination: Equipped with 16-17 gaseous tritium light sources (GTLS) for consistent illumination of hands and dials that doesn't need to be recharged by light.

Movement: Offered with Japanese automatic movements (e.g., SII NH35A) or quartz chronograph movements.

Diver Features: Rated for 300 meters (30 ATM) water resistance, featuring a unidirectional rotating bezel, screw-down crown, and robust mineral crystal.

Straps & Accessories: Usually supplied with two interchangeable straps (silicone and leather) attached by heavy-duty screws, packed in a shockproof/water-resistant "DryBox