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From HZ Watches
About the HZ.01 Black The HZ.01 was released in January 2024, and quickly sold out. After delivering the first 500 watches across April and May 2024, the HZ.01 makes a much anticipated return (with a few improvements based on your feedback). What's different about version 2? We've increased the size of the date window by 0.5mm to support legibility We've added a screw down crown, to provide extra security and peace-of-mind in the wet We've added an additional 2 coatings of superluminova to the indices for greater legibility in low-light conditions What remains the same? The same classic design, specifications, and dimensions Our strong commitment to quality and customer service Specifications Case dimensions: Diameter 38.5mm * Height 9.85mm Additional case dimensions: 20mm lug width, 46mm lug to lug (case length) Weight: 45 grams (including attached strap and titanium buckle) Case material: Grade five titanium case Crystal: Sapphire crystal with anti-reflective coating Crown: Screw down titanium crown, signed with logo Lume: Swiss superluminova BGW9 (hands and numerals) Movement: Swiss Ronda 507 quartz movement with day/date function Dial: 2 layer construction with sunburst dial, and raised concentric circle sector dial Designing the HZ.01 The HZ.01 started as a personal project to build myself the perfect everyday watch. In doing so, I defined four key principles that made up the perfect everyday watch, and designed the HZ.01 around these principles. Comfort - through taking advantage of the synergies between titanium and quartz, the HZ.01 weighs in at an impressive 45 grams. With a 38.5mm case size, and less than 1cm thick - the HZ.01 sits comfortably on your wrist, all day, every day. Versatility - the HZ.01 was designed to be versatile, and can be paired with any outfit. Throw on a T-shirt, flannel, or suit, the HZ.01 won't look out of place. Accuracy - with a Swiss Ronda Quartz heartbeat, the HZ.01 is accurate to -10/+20 seconds per month. No need to constantly wind, or set the time - the HZ.01 is always ready for you to grab and go. Durability - housed in a durable titanium case water resistant to 100m, the HZ.01 also sports a strong scratch-resistant Sapphire crystal. T he Quartz movement is extremely shock resistant compared to its mechanical counterparts - so you don't need to worry about your watch.
Specifications
Details and photos come from HZ Watches’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
Case
- Diameter
- 38.5 mm
- Lug-to-lug
- Not listed
- Thickness
- Not listed
- Thickness incl. crystal
- Not listed
- Lug width
- 20 mm
- Material
- Titanium
Movement
- Type
- Quartz
- Caliber
- Ronda 507
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- Not listed
Dial and lume
- Dial
- Not listed
- Lume
- Swiss superluminova BGW9 (hands and numerals)
Strap
- Strap
- Not listed
Every spec HZ Watches lists
- Dial
- 2 layer construction with sunburst dial, and raised concentric circle sector dial
- Lume
- Swiss superluminova BGW9 (hands and numerals)
- Crown
- Screw down titanium crown, signed with logo
- Weight
- 45 grams (including attached strap and titanium buckle)
- Comfort
- - through taking advantage of the synergies between titanium and quartz, the HZ.01 weighs in at an impressive 45 grams. With a 38.5mm case size, and less than 1cm thick - the HZ.01 sits comfortably on your wrist, all day, every day.
- Crystal
- Sapphire crystal with anti-reflective coating
- Accuracy
- - with a Swiss Ronda Quartz heartbeat, the HZ.01 is accurate to -10/+20 seconds per month. No need to constantly wind, or set the time - the HZ.01 is always ready for you to grab and go.
- Movement
- Swiss Ronda 507 quartz movement with day/date function
- Durability
- - housed in a durable titanium case water resistant to 100m, the HZ.01 also sports a strong scratch-resistant Sapphire crystal. T he Quartz movement is extremely shock resistant compared to its mechanical counterparts - so you don't need to worry about your watch.
- Versatility
- - the HZ.01 was designed to be versatile, and can be paired with any outfit. Throw on a T-shirt, flannel, or suit, the HZ.01 won't look out of place.
- Case material
- Grade five titanium case
- Case dimensions
- Diameter 38.5mm * Height 9.85mm
- Additional case dimensions
- 20mm lug width, 46mm lug to lug (case length)
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