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Thomas Earnshaw unveils the Admiral Duncan Grand Date Calendar Open Heart Automatic, a refined evolution of one of the brand’s most commanding timepieces. This latest interpretation elevates the Admiral Duncan with a cleaner, more focused dial design, enhancing clarity while preserving its distinctive presence. At its core, the open heart aperture reveals the mechanical rhythm within, offering a dynamic glimpse into the automatic movement that powers the watch.
Designed for both functionality and visual balance, the watch presents time, day, date, and month in a clear and intuitive layout. The grand date display enhances legibility, while the simplified dial ensures every element is easy to read at a glance. Encased in a robust 43mm stainless steel case and paired with a luminous bezel, hands and indices, the Admiral Duncan continues to embody durability and confidence. An exhibition caseback completes the design, revealing the intricate mechanics behind its performance.
Available in eight distinctive variants — from classic steel tones to bold two-tone and gold finishes — the collection offers a range of expressions while maintaining the same commanding identity. The Admiral Duncan Grand Date Calendar Open Heart Automatic is a timepiece built for those who value clarity, presence, and precision in every moment.
SPECIFICATIONS
Movement: Automatic With Multi-function
Case Material: Stainless Steel
Case Size (mm): 43
Lug To Lug (mm): 50
Index & Luminous: Applied Index With Japan Luminous
Lens: Mineral
Crown Type: Screw Down
Strap Material: Stainless Steel
Strap Width (mm): 22
Water Resistance (ATM): 10
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Thomas Earnshaw unveils the Admiral Duncan Grand Date Calendar Open Heart Automatic, a refined evolution of one of the brand’s most commanding timepieces. This latest interpretation elevates the Admiral Duncan with a cleaner, more focused dial design, enhancing clarity while preserving its distinctive presence. At its core, the open heart aperture reveals the mechanical rhythm within, offering a dynamic glimpse into the automatic movement that powers the watch.
Designed for both functionality and visual balance, the watch presents time, day, date, and month in a clear and intuitive layout. The grand date display enhances legibility, while the simplified dial ensures every element is easy to read at a glance. Encased in a robust 43mm stainless steel case and paired with a luminous bezel, hands and indices, the Admiral Duncan continues to embody durability and confidence. An exhibition caseback completes the design, revealing the intricate mechanics behind its performance.
Available in eight distinctive variants — from classic steel tones to bold two-tone and gold finishes — the collection offers a range of expressions while maintaining the same commanding identity. The Admiral Duncan Grand Date Calendar Open Heart Automatic is a timepiece built for those who value clarity, presence, and precision in every moment.
SPECIFICATIONS
Movement: Automatic With Multi-function
Case Material: Stainless Steel
Case Size (mm): 43
Lug To Lug (mm): 50
Index & Luminous: Applied Index With Japan Luminous
Lens: Mineral
Crown Type: Screw Down
Strap Material: Stainless Steel
Strap Width (mm): 22
Water Resistance (ATM): 10






















