Check the listing for details. SEAC Dive Computer Console with SPG - Dive Computers (1600011000000A). Condition: New. Listed at 499.00 USD. SEAC Screen operates in 3 main modes: Scuba, Gauge and Freedive. It has sound alarms and warning lights in case of violation of the decompression stop, excessive ascent speed and exceeding the maximum depth allowed for all mixes in use.