ISO Diver’s 300 m Rating Gives Extra Confidence

Those of you who already love dive watches have probably heard the term “ISO” used when referring to water resistance. The International Organization for Standardization (ISO) is a Swiss organization that determines standards and best practices for a whole host of things, including their series of water-resistance tests for watches.
The fact that the DS Action Diver is ISO rated to 300 m (985 feet) means that each and every one of these watches has been tested in water at a pressure equivalent to 125% of the rated depth. So you can rest easy knowing that the watch can handle all water activities from snorkeling to deep diving.
Water resistance in general is a big part of Certina’s brand identity. All of their watches, including their dress watches, are rated to a minimum of 100 m (328 feet).
Price/Quality Ratio
The Certina DS Action Diver offers excellent value for money. At just under $1,000, you are getting a Swiss-made, fully automatic luxury dive watch, which is known for being tough as nails.
Furthermore, by owning a Certina, you would be on the Swatch Group ladder. Factored into the price is the prestige and heritage of the Certina brand’s story that features Himalayan expeditions and Muhammad Ali.
While many Japanese manufacturers can compete with Certina in terms of technical specs, this particular model features an in-house, fine-tuned movement that reportedly runs exceptionally accurately. Buy this watch and you’ll get an extremely capable, high-end Swiss timepiece without breaking the bank or joining a waitlist.
Do we recommend the Certina DS Action Diver?
Yes! If you’re looking for a traditional Swiss dive watch, then the Certina DS Action Diver is an outstanding prospect. You are getting an awful lot of watch for much less than what other Swiss brands demand.
If you purchase this Certina, you’ll be buying into the brand history and heritage of a company with its roots in the 19th century. The DS line in particular put Certina on the map internationally for its reliability and toughness in harsh conditions.
Though Japanese brands might offer dive watches with a similar build quality and spec list for the same price or less, there is a premium associated with having those magic words “Swiss Made” printed on the dial.
Specs & Features
| Case diameter | 41 mm |
|---|---|
| Lug-to-lug distance | 51 mm |
| Lug/strap width | 21 mm |
| Movement | automatic Swiss Powermatic 80 |
| Case material | 316L stainless steel |
| Strap/bracelet material | 316L stainless steel bracelet, titanium bracelet, or synthetic NATO strap |
| Crystal | sapphire with anti-reflective treatment |
| Bezel | ceramic, 120 click, unidirectional |
| Water resistance | ISO diver’s 300 m |


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