0800 808 7733 or 
Time change dates and instructions for the following time recorders.
In 2018: The Sundays of 25th March and 28th October
In 2019: The Sundays of 31st March and 27th October
In 2020: The Sundays of 29th March and 25th October
| ACROPRINT 125/150 | ACROPRINT 175 | ACROPRINT 200 | ACROPRINT 395 | ACROPRINT 420 | TS895/ACROPRINT 220 |
| ACROPRINT 2400 | SEIKO 350/SIMPLEX 300 | SEIKO 550/SIMPLEX 500 | SEIKO 120 | 3300/ACROPRINT 440 | SEIKO TP20 |
| AMANO PIX 3000 | TOUCHtime 1000/3000 | TOUCHtime 1100/1200 | TOUCHtime 1400 | SOPRANO 600 SERIES | SOPRANO 500 SERIES |
| ALTO and ALTO Pro | ACROPRINT 400 | ACROPRINT 225 MAJOR | BIOTIME 200 | BIOTIME 300EP | GEOTIME |
| GEOFACE | PROXTIME | ||||