Crafting watches since 2007
Designed in Stockholm, Sweden
Warranty on all watches | 90-day return policy
+1,500,000 Watches Sold
Crafting watches since 2007
Warranty on all watches | 90-day return policy
Designed in Stockholm, Sweden
+1,500,000 Watches Sold

Koster | Rubber

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Warranty on all watches

90-day hassle free returns
SPECIFICATION DESCRIPTION DELIVERY & RETURNS

Case Size: 39 mm
Case Material: 316L Stainless Steel
Dial: Recycled Ocean-bound Plastic Composite
Movement: Ronda 515 24H GMT (Far East)
Glass: Scratch-resistant Sapphire Crystal
Water Resistance: 20 ATM (200 Meters / 660 feet)
Strap Material: EPDM Rubber
Strap Width: 20 mm
Functions: 24-hour GMT & Date

Forged where the Swedish West Coast meets the North Sea, the Koster is a study in elemental permanence. It is a timepiece engineered for the uncompromising rhythm of a life moved by intent, not by notifications.

From the weight of a cold-water plunge to the composure of the executive suite, it is a companion for a life lived in high definition. It offers no distractions and demands no attention.

Just the weight of precision-cut 316L steel and the clarity of lustrous sapphire glass.

- European orders are delivered within 1-3 days.
- International orders are delivered within 2-5 days.
- We have a 90-day free return policy. Read the return policy here.

The Architecture

The dial is sculpted from a deep-relief oceanic composite, capturing the restless topography of the North Sea. It serves as a tactile anchor, a piece of raw nature that brings composure to high-pressure moments.

Dark and profoundly distinct, it transitions seamlessly from offshore navigation to the nuance of formal engagements. A silent reminder that true leadership requires both discipline and conviction.

The Geometry

True performance is found in the architecture of the silhouette. We have articulated the 39mm steel case to exist at the precise intersection of rugged frontiers and metropolitan refinement.

The horizontal satin-brushing honors the resilience of the Swedish coast, while specular-polished accents provide a sharp, surgical elegance. It is a timepiece engineered for the surge, yet finished for the sanctuary.

The Sovereignty

While the world vibrates with digital noise, the Koster remains a silent constant. Engineered with a high-precision GMT caliber and a 20 ATM depth rating, it is a timepiece that transcends the trivial. It offers absolute autonomy in a world of constant intrusion.

It is designed to maintain its composure whether submerged in the deep or navigating the complexities of a global agenda. No interference. No distractions. Just the clarity of absolute presence.

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