Certina is a Swiss watch brand founded in 1888 in Grenchen, Switzerland, and is currently a member of the Swatch Group. The brand is known for its DS (Double Security) concept, which provides enhanced durability and water resistance across its product line. Certina watches carry distinctive markings related to their Swiss manufacture and the DS certification system. While perhaps less widely known than some other Swiss brands, Certina has a loyal collector following and offers well-built watches that are often considered strong value propositions within the Swiss watch market.
Certina Watch Markings & Identification Guide
Certina watches
Common Models
Certina DS Action DiverCertina DS PodiumCertina DS-1Certina DS CaimanoCertina DS Action GMTCertina DS-2
Serial Number Information
Certina serial numbers are typically found on the case back, often engraved alongside the model reference number and caliber designation. The serial number format has varied over the brand's long history, and for vintage models, the serial number can sometimes be used to approximate the production date, though the encoding system is not as extensively documented as some other Swiss brands.
Vintage Certina watches may carry serial numbers on both the case and the movement, with the movement serial potentially providing different information than the case number. The movement caliber designation is often particularly useful, as it can indicate the era of production and the specific movement characteristics. Certina used proprietary calibers in their earlier history and has transitioned to ETA movements in the modern era under Swatch Group ownership.
Modern Certina watches feature comprehensive reference numbers on the case back that encode information about the model line, case material, dial variant, and strap type. These reference numbers, typically formatted similarly to other Swatch Group brands, can be looked up on Certina's website or through authorized dealers. For vintage models requiring dating, collector communities and specialized Swiss watch forums may be able to provide assistance based on the serial number and other markings.
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Common Markings Found on Certina Watches
Deployment Clasp Marking
Markings found on a deployment (deployant) clasp that identify the clasp type, size, and brand. These help determine compatibility when replacing or servicing the clasp mechanism.
Adjustable Clasp IndicatorMarkings or features on a clasp indicating it has micro-adjustment or on-the-fly sizing capability. This allows fine-tuning of bracelet fit without tools.
Case Reference NumberA manufacturer-assigned reference number identifying the specific watch case design, dimensions, and material. This is the primary identifier for sourcing correct case parts and compatible accessories.
WR 200M / 20 Bar MarkingA water resistance rating of 200 meters (20 bar/ATM), suitable for serious water sports and recreational scuba diving. This is the standard entry-level rating for purpose-built dive watches.
Swiss Made LabelA legally protected designation indicating the watch meets Swiss origin requirements for movement, assembly, and quality inspection. "Swiss Made" is one of the most recognized quality marks in watchmaking.
German Made MarkingA marking indicating the watch was manufactured in Germany, typically associated with brands from the Glashutte or Pforzheim watchmaking regions. German watches are known for Bauhaus design and engineering precision.
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Frequently asked questions
What does DS stand for on Certina watches?
DS stands for 'Double Security,' a concept Certina introduced in 1959 to enhance the durability and water resistance of their watches. The DS system typically involves reinforced case construction, enhanced crown protection, and additional gaskets. The turtle emblem on the case back is commonly associated with DS-certified Certina models.
What is the turtle logo on Certina watches?
The turtle emblem is Certina's iconic symbol representing the DS (Double Security) concept, symbolizing the protective shell that the DS system provides. It is typically found on the case back of DS-certified models. The turtle logo has been used since the introduction of the DS concept in 1959 and has evolved in design over the decades.
What movements does Certina use?
Modern Certina watches predominantly use ETA movements, which are produced by a fellow Swatch Group company. Common calibers include the ETA 2824-2, the Powermatic 80 (marketed as Certina's 80-hour power reserve movement), and various quartz ETA calibers. Vintage Certina watches may contain proprietary calibers from the brand's pre-Swatch Group era.
Is Certina a good watch brand?
Certina is generally well-regarded among watch enthusiasts as a brand that offers solid Swiss-made quality at competitive prices. The DS durability concept, in-house Swiss manufacturing heritage, and use of reliable ETA movements are commonly cited strengths. Within the Swatch Group hierarchy, Certina occupies a position that is often considered to offer good value for the level of quality provided.
How can I verify my Certina watch is authentic?
Authenticating a Certina watch typically involves verifying the case back reference number against Certina's catalog, inspecting the movement for genuine ETA or Certina construction, and checking the dial for correct printing and logo rendering. Purchasing from authorized Certina retailers is the most reliable way to ensure authenticity. For secondary market purchases, professional inspection is commonly recommended.
How water resistant are Certina DS Action Diver watches?
Certina DS Action Diver models are typically rated to 300 meters of water resistance, which generally makes them suitable for recreational and some professional diving applications. The DS construction is designed to enhance water resistance reliability. As with all dive watches, regular maintenance and seal checks are commonly recommended to maintain the rated water resistance over time.
Where are Certina watches manufactured?
Certina watches are manufactured in Switzerland, specifically in Grenchen, which is the brand's historical home and current production base. The 'SWISS MADE' designation on Certina watches indicates compliance with Swiss watch manufacturing regulations. As a Swatch Group brand, Certina benefits from the group's Swiss manufacturing infrastructure and supply chain.
How can I find the production date of my Certina watch?
For modern Certina watches, the model reference number on the case back can identify when the model was in production. For vintage models, the serial number and movement caliber can sometimes be used to approximate the production date, though Certina's historical records are less publicly accessible than some other Swiss brands. Collector forums and Certina enthusiast communities may be able to assist with dating specific pieces.
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