| SPG case material | Nickel plated brass | 
| SPG dial face | Anti-splinter polycarbonate | 
| SPG dial range | 0 – 5000psi / 0 – 360 Bar | 
| Luminous background | Yes for both gauges | 
| Over-pressure relief | Yes | 
| Attachment loop | Yes - Two | 
| O2 compatible materials | Yes | 
| O2 clean | No | 
| Resettable max depth indicator | Yes |