COSC-Certified Automatic Movement
Powered by a self-winding Sellita SW200-1 automatic movement, this watch is described as COSC-certified and offers a 41-hour power reserve.
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Updated 4 months ago
39mm COSC-certified Swiss automatic watch with suspension case system and quick-adjust bracelet.

Powered by a self-winding Sellita SW200-1 automatic movement, this watch is described as COSC-certified and offers a 41-hour power reserve.
The 39mm stainless steel 316L case is 10.0 mm thick and uses sapphire crystal on the front and back with anti-reflection treatment.
The 20mm stainless steel bracelet is paired with deployant clasp options that include fine adjustment and a Formex carbon fiber composite folding clasp.
The Formex Essence ThirtyNine is a 39mm COSC-certified Swiss automatic analog watch with a stainless steel 316L case, stainless steel bracelet, suspension case system, quick-adjust/fine-adjust deployant clasp options, date display, sapphire crystal front and back with anti-reflection treatment, and 100 m water resistance.
The reviewer praises the watch for its balance of design, innovation, and price, noting that the case, dial, and bracelet are all equally engaging and that it offers a classy, distinct style.
The review highlights the watch's exceptional value for money, citing its COSC-certified movement, elegant design, and technical innovations as features rarely found in timepieces at this price point.
The author identifies the Essence ThirtyNine as a game-changer, describing it as an ideal daily wearable watch that delivers excellent build quality and features in its price range.
The review concludes that the watch offers impressive build quality and value for money, specifically praising the patented case suspension system as a distinct and useful feature.
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| Attribute | Specification | Notes |
|---|---|---|
| Band Material | stainless steel | |
| Band Width | 20 mm | mm |
| Battery Life | 41 days | days |
| Case Diameter | 39 mm | mm |
| Case Material | stainless steel 316L | |
| Case Thickness | 10 mm | mm |
| Clasp Type | deployant clasp with fine adjustment (includes Formex carbon fiber composite folding clasp and deployant clasp options) | |
| Crystal Material | sapphire crystal (front and back) with anti-reflection treatment | |
| Display Type | analog | |
| Features | date | |
| Gender Target | unisex | |
| Movement Type | automatic (Sellita SW200-1) | |
| Power Source | automatic (self-winding) | |
| Water Resistance | 100 m | m |

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