The Mondain range was numbered 136.101-
The Alarm model did not change from the first series after the Mondain group took over around 1993. The quality was from the start very high.
The case and the screw on back cover are made from Stainless Steel. Water resistant to 10ATM (100m).The crown is highly protected and screws down. The alarm button is not protected. The fixed bezel is made of Stainless steel or bronze. The 18mm CT logo a "clip" that fitted over the strap. The optical mineral glass is a scratch resistant.
The movement is Miyota 6L76 showing seconds, Minuets, hours with the date at 3 o'clock and Alarm indecator. The Alarm sounds for 15secs. and repeats every 3 mins. The dials came in black or white with glowing hour indecators and hands. The leather strap came only in brown with the stainless steel CT buckle.