Water Resistance - Seiko M-6 Instructions Manual

Refer the table below for the description of each degree of
water resistant performance of your watch before using.
3
Indication on the case back
No indication
WATER RESISTANT
WATER RESISTANT
WATER RESISTANT
10 (20) BAR
66

Water resistance

（Refer to " page 65 "）
5 BAR
Water resistant performance
Non-water resistance
Water resistance for everyday life
Water resistance for everyday life at
5 barometric pressures
Water resistance for everyday life at
10(20) barometric pressures.