Seiko 6R15A Parts List/Technical Manual page 15

TECHNICAL GUIDE
●Water resistance test
Check the water resistance according to the designated specification of the watch
Marking on the case back
WATER RESISTANT(WATER RESIST)
WATER RESIST 5BAR
WATER RESIST 10BAR
WATER RESIST 15BAR
WATER RESIST 20BAR
SCUBA DIVERIS （AIR DIVERIS）150 m
SCUBA DIVERIS (AIR DIVERIS)200 m
He-GAS DIVERIS 300 m
He-GAS DIVERIS 600 m
He-GAS DIVERIS1000m
Test method
Air leak test
Water pressure test
Condensation test
Condensation test
Water pressure test
Condensation test
15/16
Cal.6R15A/B
Applied pressure
3 BAR
5 BAR
10 BAR
15 BAR
20 BAR
18.75 BAR ＝150(m)times 0.125
25 BAR ＝200(m)times 0.125
37.5 BAR ＝300(m)times 0.125
75 BAR ＝600(m)times 0.125
125 BAR ＝1000(m)times 0.125