Apple Watch Ultra 3
Flagship - 4 titanium bands across all ecosystems
Compatible Apple Bands




The Apple Watch Ultra 3 uses a 49mm case and Apple's proprietary band interface. When choosing a replacement band, select one specifically designed for Apple Watch Ultra and verify the listed generation compatibility.
Apple Watch Ultra 3 Band Compatibility
Apple Watch Ultra models use the 49mm case size. For current LDFAS products, verify the exact generation coverage on the product page. LDFAS core titanium listings now identify Apple Watch Ultra 4, Ultra 3, Ultra 2 and Ultra 1 compatibility where supported.
Wrist Size
Apple Watch Ultra 3 fits wrists from 130mm to 210mm. Your replacement band's own adjustment range can be different, so check the LDFAS product specification before ordering.
Choosing an LDFAS Titanium Band
LDFAS offers several titanium band designs for Apple Watch Ultra models, including curved-buckle, adjustable-buckle, vented and retro styles. Product pages identify the exact Ultra generations supported by each design.
- Curved Buckle Titanium Band — Ultra 4/3/2/1, 49mm
- Adjustable Buckle Titanium Band — Ultra 4/3/2/1, 49mm
- Retro Curved Buckle Titanium Band — Ultra 4/3/2/1, 49mm
How to Install an Apple Watch Ultra Band
Place the watch face down on a soft surface, press and hold the band release button, slide the old band out, then slide the new compatible band into place until it locks. Do not force a connector that does not slide smoothly.
Frequently Asked Questions
Is Apple Watch Ultra 3 49mm?
Yes. Apple lists the Ultra 3 at 49mm.
Can I use the same LDFAS band on Ultra 4 and Ultra 3?
For LDFAS products that explicitly list both generations, yes. Check the individual product compatibility statement before ordering.
What wrist size does Ultra 3 support?
Apple lists 130–210mm, while individual band designs may have narrower ranges.
Related Guides
Why LDFAS Bands
- Grade 1 Pure Titanium (99.5%+) — aerospace-grade, feather-light and skin-friendly.
- Precision fit — engineered to the exact lug geometry of your watch.
- 2-year warranty on every LDFAS band.
Compatibility & Sizing
- Which LDFAS bands fit the Apple Watch Ultra 3?
- Yes. LDFAS lists 4 compatible bands for the Apple Watch Ultra 3: LDFAS Apple Watch Ultra 2 49mm 鈦合金錶帶 – 彎扣 Curved Buckle; LDFAS Apple Watch Ultra 3/2 49mm 鈦合金錶帶 – 彎扣(Retro 復古); LDFAS Apple Watch Ultra 3/2/1 49mm 鈦合金錶帶 – 可調節錶扣 SSR; LDFAS Apple Watch Ultra 2 49mm 鏤空透氣鈦合金錶帶 – SSR 運動帶.
- What band size does the Apple Watch Ultra 3 use?
- The Apple Watch Ultra 3 has a 49mm case. Compatible band width: 49mm proprietary lug. Flagship - 4 titanium bands across all ecosystems
- Are LDFAS bands compatible with the Apple Watch Ultra 3?
- Yes — 4 LDFAS bands are available for the Apple Watch Ultra 3, each covered by a 2-year warranty.