The Chronomaster Tropical 41 mm revives Nivada Grenchen’s vintage chronograph with a sun-aged brown dial and a larger 41 mm case. Powered by the Swiss Landeron 72 automatic movement, it blends retro charm with modern proportions, a collector’s classic, reimagined for today.
The Chronomaster Broad Arrow 41 mm marks the return of Nivada Grenchen’s most emblematic chronograph now re-engineered for a new generation of collectors.
With its expanded 41 mm case, Landeron 72 automatic movement, and signature Broad Arrow dial, this Big Size edition offers the perfect balance of vintage charm and modern performance.
Its 316 L stainless-steel case, alternating polished and brushed surfaces, houses a double-domed sapphire crystal for optimal legibility and durability.
The bi-directional bezel and 100 m water resistance make it as functional as it is iconic.
Diameter
41mm
Thickness
15.85mm
Lugs to Lugs
48.50mm
Bezel
Bi-directional rotating bezel
Case Material
316L Stainless Steel
Case Finish
Polished & Brushed
Case back
316L Stainless Steel
Dial
Matt Tropical Color Dial (UV-baked transition into a classic vintage effect), Cream Color Luminous Indexes
Movement
Landeron 72 Automatic Chronograph
Glass
Double domed Sapphire Glass
Case Lug Width
20mm
Water Resistance
10ATM
Band With
20x18mm
Function
2-Button Chronograph, 30 Minute Hand at 3:00, Central 60 Second Hand, Central Hour Hand, Central Minute Hand, Small Seconds Hand at 9:00
Frequency
28’800 vibrations per hour (4Hz)
Chronomaster Tropical 41 mm
The Legendary Chronograph
From the 1960s to Today
The Chronomaster Aviator Sea Diver is one of Nivada Grenchen’s most celebrated timepieces a 1963 icon that captured the golden age of tool chronographs.
Now, with the new 41 mm case, the legend grows stronger.
The Tropical dial, with its warm gradient brown tones and aged-look Broad Arrow hands, evokes the natural patina of a vintage piece kissed by decades of sunlight a collector’s dream, reborn for modern wrists.
Warm Tones, Timeless Charm
Each Tropical dial tells its own story a subtle fusion of orange and brown hues that bring texture and depth to the design.
The Broad Arrow hands and creamy indexes enhance its retro spirit, while the larger 41 mm case gives it new proportions of strength and style.
It’s the soul of the 1960s, powered by modern precision.
Authentic Specs, Modern Craftsmanship
• Movement: Landeron 72 automatic chronograph
• Case: 316L stainless steel, polished and brushed finish
• Diameter: 41 mm | Thickness: 15.85 mm
• Crystal: Double-domed sapphire
• Bezel: Bi-directional rotating
• Caseback: Screw-down
• Water Resistance: 10 ATM (100m)
• Dial: Warm brown “Tropical” with cream Broad Arrow hands
Built for Collectors, Made in Switzerland
Hand-assembled and tested in Switzerland, the Chronomaster Tropical 41 mm pays tribute to Nivada Grenchen’s authentic 1960s spirit.
Its new Big Size design keeps the watch perfectly balanced on the wrist while maintaining the character and emotion that made the original a timeless favorite.
A watch that bridges generations, the patina of the past, reborn in the present.