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DETAILS
The Model 1 Sullivan is our flagship timepiece, featuring a patented innovation that lets you seamlessly switch between a sapphire exhibition caseback and a personalized casecap®. This transforms traditional engraving into a storytelling canvas - whether it’s a design, date, or symbol that matters to you. Inspired by Chicago architect Louis Sullivan’s “form follows function” philosophy, the Model 1 embodies craftsmanship and adaptability, evolving with your milestones.
Features
- Case: 42mm diameter, 12.46mm thickness, 51mm lug-to-lug and 22mm between lugs
- Movement: Swiss Made Sellita 279-1. Automatic self-winding mechanical with ball bearing, 38 hour reserve, 31 jewels.
- Glass: Sapphire crystal with anti-reflective coating. Sapphire exhibition caseback.
- Functions: Hours, minutes, small second, power reserve and date indicator.
- Dial: Matte dial with sun-ray embossed small second sub-dial at 9. Applied Arabic index with printed second track and Super-LumiNova Grade A markers at each hour. Skeleton hands with Super-LumiNova Grade A tips.
- Crown: Oversized stainless steel onion crown with embossed Hampden logo.
- Bands: Brushed 22mm wide three link stainless steel bracelet with deployment clasp and easily removable double pin system. Includes two additional straps: Italian leather strap and one Italian leather/rubber strap; easily interchangeable with quick-release (no tools required).
- Water-Resistance: 5 ATM / 50 meters / 164 feet
- 5 year limited warranty
Swiss Made
- Swiss Made in La Chaux-de-Fonds - birthplace of the world’s finest watchmaking traditions
- Sellita SW279-1 Automatic Movement - a masterfully engineered self-winding caliber with ball bearing
- 38-hour power reserve - refined reliability for everyday wear
- 31-jeweled movement - ensuring precision, durability, and fluid motion
- Exhibition caseback - an elegant window into the artistry of Swiss mechanics
Group gifting
Show your appreciation to esteemed employees, valued clients, bridal parties or more by presenting them with a one-of-kind customized watch. Volume discounts are available. Our team is happy to discuss pricing and next steps. For more details, please contact us.
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FLEXIBILE FOR YOUR STYLE
Switch between the sapphire exhibition caseback and a personalized casecap design.
YOUR WATCH. YOUR STORY.
Transcending traditional watch engraving, you can celebrate life's most celebrated milestones with a unique design, special date, or showcase a symbol that holds personal significance. Whether you are gifting or receiving, the design possibilities are nearly endless.
All Hampden watches are designed to be personalized. Create a one-of-a-kind caseback design with our Design Concierge.

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Precision That Makes Its Mark
Precision That Makes Its Mark
Unlike traditional diamond drag engraving, which mechanically scratches the surface, Hampden's laser engraving technique utilizes a focused beam of light to etch designs with exceptional precision. Our method offers several advantages:
- Unmatched Detail: Laser engraving produces clean, intricate designs that capture even the finest elements of your personalization.
- Consistent Quality: The non-contact nature of laser engraving ensures uniform results across multiple pieces, maintaining the integrity of each design.
- Durability: Laser-engraved markings are more resistant to wear over time, preserving the story your watch tells for generations.
Our laser engraving technique delivers clean, precise, and long-lasting markings, making it ideal for detailed caseback designs.