5503
5512
6008
6018
±15 seconds per month ±20 seconds per month ±20 seconds per month ±15 seconds per month
(14°F to 140°F)
Day and Date
Date
Day and Date
Date
with
with
without
with
280–31
280–31
280–34
280–34
SR621SW
SR621SW
Approximately 3 years
For diving 200m
For diving 200m
For diving 200m
For professional diving 800m
21