Hydronox® – Automatic Diver Watch for Men | 20ATM Waterproof, Super Luminous, Sapphire Crystal, Full Stainless Steel Product Description

Stainless steel case and silicone strap

Hydronox® – Automatic Diver Watch for Men | 20ATM Waterproof, Super Luminous, Sapphire Crystal, Full Stainless Steel

Product Description
Hydronox® is a professional-grade automatic dive watch crafted for men who demand both rugged functionality and refined style. Powered by the Japanese Miyota 8215 automatic movement, this timepiece ensures precise and reliable timekeeping, with both hand-winding and self-winding capabilities. Its sapphire crystal lens with internal AR coating offers exceptional clarity, scratch resistance, and anti-glare performance, while the full 316L stainless steel case and bracelet provide strength and a bold presence on the wrist.

Built for serious underwater adventures, Hydronox® features dual screw-down crowns, a super luminous dial, and a 200M (20ATM) water resistance rating, making it ideal for professional diving, swimming, and all-weather exploration. This is a diver’s watch that balances mechanical craftsmanship with contemporary design, perfect for both ocean depths and urban life.

SPECIFICATIONS (Original Data – Unchanged)

• Model: AM439MS

• Case Diameter: 42 mm

• Lug-to-Lug Distance: 48 mm

• Case Thickness: 13.5 mm

• Band Length: 19.5 cm

• Band Material: Stainless Steel

• Band Width: 20–24 mm (22 mm standard)

• Case Material: Stainless Steel

• Case Shape: Round

• Case Back Material: Sapphire Crystal

• Lens: Sapphire Crystal with Internal AR Coating

• Dial Diameter: 40–44 mm

• Display Type: Arabic Numerals

• Crown: Dual Screw-Down Crowns

• Clasp Type: Folding Clasp with Safety Lock

• Movement: Automatic & Hand-Wind (Japan Miyota 8215)

• Waterproof Rating: 200 m (20ATM)

• Weight: 192 g

• Features: Full Calendar, Professional Diving, Super Luminous Hands/Markers, Exhibition Case Back

Key Highlights

1. Japanese Miyota 8215 Movement – Accurate, durable, and reliable automatic movement with both self-winding and manual winding options.

2. Sapphire Crystal + AR Coating – Anti-reflective, high light transmittance, and scratch-resistant for superior underwater readability.

3. Super Luminous Markers & Hands – Bright, long-lasting glow ensures excellent visibility in deep water or low-light environments.

4. Professional Dive Construction – Dual screw-down crowns, 200M waterproofing, and a secure folding clasp for enhanced safety.

5. Exhibition Case Back – Sapphire crystal back reveals the intricate mechanical movement inside.