Catalyst Waterproof Case for 44 mm Apple Watch Series 4/5/6/SE (Stealth Black)

General Description

Protect your Apple Watch in demanding environments with the Catalyst Waterproof Case for 44mm Apple Watch Series 4, Series 5, Series 6 and Apple Watch SE.

Designed for active lifestyles, outdoor adventures and everyday use, this rugged case provides IP68 waterproof protection up to 100 metres while also helping protect your watch against drops, dust, dirt, sand, snow and scratches.

The impact-resistant polycarbonate housing is lined with shock-absorbing silicone for added protection, while the included premium silicone band provides a secure and comfortable fit. Its open-face design keeps the touchscreen directly accessible and maintains compatibility with most essential Apple Watch functions.

Key Features

• Designed for 44mm Apple Watch Models – Compatible with Apple Watch Series 4, Series 5, Series 6 and Apple Watch SE.

• 100M Waterproof Protection – IP68-rated construction provides waterproof protection down to 100 metres / 330 feet.

• 2M Drop Protection – Tested to MIL-STD-810G standards for drops of up to 2 metres / 6.6 feet.

• Rugged Polycarbonate Construction – Impact-resistant outer housing provides durable everyday protection.

• Shock-Absorbing Silicone – Internal silicone lining helps cushion the watch against impacts and knocks.

• Dust, Dirt, Sand & Snow Protection – Built for use in demanding indoor and outdoor environments.

• Direct Touchscreen Access – Open-face design keeps the Apple Watch display fully accessible.

• Rotating Crown Dial – Patented design maintains convenient access to the Digital Crown.

• Accessible Side Button – Allows normal operation without removing the protective case.

• Sensor Compatible – Maintains access to compatible heart rate, blood oxygen and Bluetooth functions.

• Comfortable Silicone Band – Breathable and hypoallergenic design for comfortable everyday wear.

• Magnetic Charging Compatible – Charge your Apple Watch without removing the case.

• Raised Protective Edges – Helps protect the watch body and screen edges from impacts.

• Stealth Black Finish – Rugged, understated styling suited to sport, work and outdoor use.

Technical Specifications

Specification	Details
Brand	Catalyst
Product Type	Waterproof Protective Case + Watch Band
Compatible Size	44 mm
Compatible Models	Apple Watch Series 4 / 5 / 6 / SE
Waterproof Rating	IP68
Maximum Waterproof Depth	Up to 100 m / 330 ft
Drop Protection	Up to 2 m / 6.6 ft
Drop Test Standard	MIL-STD-810G
Case Material	Impact-Resistant Polycarbonate
Internal Protection	Shock-Absorbing Silicone
Band Material	Premium Silicone
Touchscreen Access	Yes – Open-Face Design
Digital Crown Access	Yes
Side Button Access	Yes
Heart Rate Sensor Support	Yes
Blood Oxygen Sensor Support	Yes – On Compatible Models
ECG/EKG Compatibility	No
Bluetooth Compatibility	Yes
Magnetic Charging Compatible	Yes
Protection Against	Water, Drops, Dust, Dirt, Sand, Snow & Scratches
Dimensions	Approx. 25.50 × 4.80 × 1.40 cm
Colour	Stealth Black
Included	Waterproof Case + Watch Band
Recommended Use	Swimming, Hiking, Outdoor Activities, Work & Everyday Wear

Built for Adventure

The Catalyst Waterproof Case transforms your 44mm Apple Watch into a more rugged everyday companion. Whether you are swimming, hiking, working outdoors or simply looking for additional protection, its waterproof and impact-resistant design helps keep your watch protected without sacrificing access to essential features.

Compatibility Note

This 44mm version is compatible with Apple Watch Series 4, Series 5, Series 6 and Apple Watch SE models in the 44mm size. It is not designed for 40mm Apple Watch models or later 41mm, 42mm, 45mm, 46mm or Apple Watch Ultra models.