Case back
inscription: /|\/ 0552/923/ 7697/ A/541/70
"CERTIFIED HIGH PRESSURE WATERPROOF SEAMASTER"
Case back inside: ACIER INOXYDABLE/ W OMEGA WATCH Co./ FAB. SUISSE/
SWISS MADE/ 165.024/ CB
Movement serial number: 2471XXXX
Other notes: Tops of lugs are brushed finished. Back of case back
also features a brushed finish. Spring bars replaced by heavy
fixed bars approximately 2.23-2.48 mm thick. Bezel insert is acrylic
and has a luminous triangle at 12 o'clock and the numbers 10,
20, 30, 40, and 50 are luminous. The insert appears to be an original
Tritium insert. Bezel is bi-directional. "Circle-T" is an MOD
printed mark and not original to the dial or manufacturer.