Catalyst Waterproof Case 40mm Apple Watch Series SE/5/4 - Stealth Black

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Maximum Purchase:
20 units 
40mm Apple Watch SE, 40mm Apple Watch Series 5/4 (except for the Ceramic version)

This case is not suitable for the Ceramic version of the Apple Watch Series 5

The Catalyst Waterproof Case 40mm Apple Watch Series SE/5/4 - Stealth Black is precision-engineered to perform beyond expectations so the Apple watch can be taken on every adventure. With 18% stronger housing than the previous Series 3 version, the case offers superior protection for your Apple Watch. This is the only Apple Watch case offering total 360-degree protection. Full functionality of the Apple Watch is maintained (with exception of Apple’s ECG/EKG) with IP-68 waterproof protection of 100 m and MIL-STD 810G drop protection up to 2 m. It’s fully sealed against water, dust, dirt, and snow and has an exposed face for with direct touch screen access, great for all adventures – wet and dry. The raised bezel protects the screen from scratches and impacts while Catalyst's patented True Sound Acoustic Technology™ allows audio to come through totally clear. Not only is the case rugged, it's also stylish and incorporates a hypoallergenic silicone band that’s both durable and comfortable.


  • Waterproof IP68 to 100m
  • Drop-proof MIL-STD 810G 6.6ft (2m)
  • Snow / Dirt / Sand proof
  • 360° total protection
  • True Sound Acoustic Technology
  • Charge watch through case
  • Measure heart rate through case
  • Tactical side button
  • Patented rotating crown dial
  • Raised bezel protects the screen
  • Includes a hypoallergenic silicone band
  • Does not support Apple's ECG/EKG
  • Easy to install
  • Not compatible with Apple's ECG app
  • Not compatible with Apple Watch Series 5 Ceramic Version
Product Dimensions:
175.26 x 78.74 x 22.86 mm
Product Weight:
58.96 g
Packaging Weight:
99.79 g