F158
Water resistance
Water resistance performance table
Below is a water resistance performance table for standard watches.
See also "Before using a diver watch" when your watch has water resistance performance for 200 m or deeper diving.
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You can see indication of water resistance performance on the dial and/or case back of your watch.
| Name | Non water-resistant watch |
| Indication | No indication |
| Specification | Non water-resistant |
| Water-related use |
NO | Minor exposure to water (washing face, rain, etc.) |
| NO | Swimming and general washing work |
| NO | Skin diving, marine sports |
| NO | Scuba diving using an air tank |
| NO | Saturation diving using helium gas |
| NO | Operate the crown or button when the watch is wet |
| Name | Everyday use water-resistant watch |
| Indication | WATER RESIST |
| Specification | Water-resistant to 3 atmospheres |
| Water-related use |
OK | Minor exposure to water (washing face, rain, etc.) |
| NO | Swimming and general washing work |
| NO | Skin diving, marine sports |
| NO | Scuba diving using an air tank |
| NO | Saturation diving using helium gas |
| NO | Operate the crown or button when the watch is wet |
| Name | Upgraded everyday use water-resistant watch |
| Indication | W. R. 5 bar |
| Specification | Water-resistant to 5 atmospheres |
| Water-related use |
OK | Minor exposure to water (washing face, rain, etc.) |
| OK | Swimming and general washing work |
| NO | Skin diving, marine sports |
| NO | Scuba diving using an air tank |
| NO | Saturation diving using helium gas |
| NO | Operate the crown or button when the watch is wet |
| Name | Upgraded everyday use water-resistant watch |
| Indication | W. R. 10/20 bar |
| Specification | Water-resistant to 10 or 20 atmospheres |
| Water-related use |
OK | Minor exposure to water (washing face, rain, etc.) |
| OK | Swimming and general washing work |
| OK | Skin diving, marine sports |
| NO | Scuba diving using an air tank |
| NO | Saturation diving using helium gas |
| NO | Operate the crown or button when the watch is wet |
| Name | Water-resistant watch for SCUBA diving |
| Indication | DIVER'S 200m, DIVER'S WATCH 200m |
| Specification | 200 m water resistant |
| Water-related use |
OK | Minor exposure to water (washing face, rain, etc.) |
| OK | Swimming and general washing work |
| OK | Skin diving, marine sports |
| OK | Scuba diving using an air tank |
| NO | Saturation diving using helium gas |
| NO | Operate the crown or button when the watch is wet |
Cal. No. F158
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