The Hamilton American Classic Intra-Matic Auto 40mm is a sophisticated Swiss-made automatic watch that combines timeless mid-century design, refined finishing, and modern mechanical performance.
Featuring a beautiful two-tone white dial, an elegant stainless steel case, and a matching stainless steel bracelet, this timepiece captures the understated charm of Hamilton’s vintage-inspired American Classic collection.
At its heart is Hamilton’s renowned H-10 automatic movement, delivering an impressive 80-hour power reserve and incorporating a modern Nivachron™ balance spring for enhanced resistance to magnetic influences.
With its clean dial layout, slim profile, and carefully balanced proportions, the Intra-Matic Auto is a versatile timepiece that transitions effortlessly from everyday wear to formal occasions.
Timeless Two-Tone Dial
The defining feature of the American Classic Intra-Matic is its beautifully executed two-tone white dial, inspired by the elegant designs of the 1960s.
Its contrasting dial sections create subtle visual depth while maintaining a clean, minimalist appearance.
Slender hour markers and refined hands complement the dial’s vintage character, while a discreet date window provides everyday practicality.
The dial’s restrained design is one of its greatest strengths, emphasizing proportion, symmetry, and readability rather than unnecessary decoration.
Hamilton also incorporates Super-LumiNova®, enhancing visibility in low-light conditions without compromising the watch’s classic styling.
Elegant 40mm Stainless Steel Case
The watch is housed in a beautifully proportioned 40mm stainless steel case, measuring just 10.95mm thick.
Its classic round construction, smooth contours, and refined finishing create an elegant wrist presence suitable for both casual and dress occasions.
The relatively slim case profile allows the watch to sit comfortably beneath a shirt cuff, making it an excellent choice for professional and formal environments.
Protecting the dial is a scratch-resistant sapphire crystal with anti-reflective treatment, offering durability and excellent visibility.
With 50 meters / 164 feet of water resistance, the Intra-Matic provides practical protection against everyday splashes and incidental water exposure.
Swiss H-10 Automatic Movement – 80-Hour Power Reserve
Powering the Intra-Matic is Hamilton’s exclusive H-10 Swiss automatic mechanical movement, designed to deliver reliable performance and an extended 80-hour power reserve.
This impressive reserve allows the watch to continue running for more than three days when fully wound, making it particularly convenient for enthusiasts who alternate between multiple watches.
The movement incorporates a Nivachron™ balance spring, an advanced alloy component engineered to improve resistance to magnetic fields.
Hamilton’s H-10 movement combines traditional Swiss mechanical watchmaking with contemporary engineering, offering a dependable and practical automatic caliber for everyday use.
Refined Stainless Steel Bracelet
Completing the watch is its elegant stainless steel bracelet, designed to complement the classic case and vintage-inspired dial.
The bracelet provides a comfortable, secure fit and a cohesive appearance, making the watch suitable for a wide range of occasions.
A stainless steel folding clasp ensures secure fastening while maintaining the watch’s streamlined design.
With a 20mm lug width, the watch also offers versatility for collectors who enjoy changing between stainless steel bracelets and compatible leather straps.
Specifications
Case
- Stainless Steel
- 40mm Case Diameter
- 10.95mm Case Thickness
- 20mm Lug Width
- Classic Round Case Construction
- Refined Stainless Steel Finishing
- Fixed Stainless Steel Bezel
- Vintage-Inspired Design
- Water Resistance: 50 Meters / 164 Feet / 5 ATM
- Swiss Made
Dial
- White Two-Tone Dial
- Contrasting Dial Sections
- Vintage-Inspired Design
- Elegant Hour Markers
- Refined Hour and Minute Hands
- Central Seconds Hand
- Date Display
- Super-LumiNova®
- Classic Analog Configuration
Crystal
- Scratch-Resistant Sapphire Crystal
- Anti-Reflective Treatment
- Excellent Dial Visibility
- Durable Construction
Movement
- Hamilton Caliber H-10
- Swiss Automatic Mechanical Movement
- 80-Hour Power Reserve
- Self-Winding
- Nivachron™ Balance Spring
- Hours, Minutes and Central Seconds
- Date Complication
- Traditional Mechanical Construction
- Swiss Made
Bracelet
- Stainless Steel Bracelet
- Hamilton Bracelet Reference: H6053841041
- Stainless Steel Construction
- 20mm Lug Width
- Stainless Steel Folding Clasp
- Classic and Versatile Styling
- Comfortable Everyday Configuration
Features
- Swiss Automatic Mechanical Movement
- Hamilton H-10 Caliber
- 80-Hour Power Reserve
- Nivachron™ Balance Spring
- Vintage-Inspired Two-Tone White Dial
- Date Display
- Super-LumiNova®
- 40mm Stainless Steel Case
- Slim 10.95mm Case Profile
- Scratch-Resistant Sapphire Crystal
- Anti-Reflective Treatment
- Stainless Steel Bracelet
- Folding Clasp
- 50M / 5 ATM Water Resistance
- American Classic Collection
- Swiss Made
Additional Information
- Brand: Hamilton
- Collection: American Classic
- Model: Intra-Matic Auto
- Reference: H38425120
- Dial Color: White
- Dial Design: Two-Tone / Vintage-Inspired
- Case Material: Stainless Steel
- Case Diameter: 40mm
- Case Thickness: 10.95mm
- Lug Width: 20mm
- Movement: Hamilton H-10
- Movement Type: Swiss Automatic
- Power Reserve: 80 Hours
- Balance Spring: Nivachron™
- Crystal: Sapphire with Anti-Reflective Treatment
- Bracelet: Stainless Steel
- Bracelet Reference: H6053841041
- Clasp: Folding Clasp
- Water Resistance: 50M / 164 Feet / 5 ATM
- Collection Status: Past Collection
- Country of Manufacture: Switzerland
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