Airain Sous-Marine Tropical 524.457
The Airain Sous-Marine Tropical 524.457 captures the essence of vintage dive watch aesthetics while delivering modern reliability, making it a standout in the brand’s contemporary lineup. Housed in a stainless steel case, this model leans into its retro inspiration with a rich “tropical” dial tone—evoking the warm, aged patina collectors love—paired with bold luminous markers and a clean, highly legible layout. The overall design stays true to mid-century tool watches, with a unidirectional bezel and balanced proportions that feel authentic rather than over-engineered. Powered by a dependable automatic movement, it offers the practicality needed for everyday wear.
What sets the Tropical 524.457 apart is its ability to channel vintage character without feeling forced or artificial. The warm dial coloration adds depth and personality, giving each glance a slightly different mood depending on lighting. Combined with modern build quality, a domed crystal, and thoughtful finishing, it strikes that sweet spot between nostalgia and functionality. For collectors drawn to neo-vintage pieces with real presence, the Sous-Marine Tropical delivers a laid-back, sun-faded aesthetic with the confidence of a modern dive watch.
The Movement:
The movement inside the Airain Sous-Marine is the Swiss-Made AM5 automatic calibre, based on the La Joux-Perret G100. It features a 68-hour power reserve, a tungsten rotor for smooth rotation and weight distribution, and is regulated to four positions for accuracy. The movement is decorated with Geneva stripes and blue polished screws, ensuring both performance and aesthetic appeal.
Parmentier Crown:
The case features a so-called Parmentier crown that adds even more character. The Parmentier construction consists of a small winding crown and a large screw-on cap to cover it. This helps make the Sous-Marine water resistant to 200 meters. The screw-on cap features a notched recess on the outside so you can operate the small crown underneath. A practical thing to keep in mind is that the cap comes off the watch as a separate element.
Information:
Reference: 524.457
Strap: Fixoflex Steel Bracelet & Tropic Rubber Strap
Case: 37.5mm x 12,77mm (10,25mm w/o crystal) Thickness x 48.2mm lug to lug - Stainless Steel
Crown: Parmentier Crown Cap System
Water Resistance: 200m (20ATM)
Lug Width: 20mm
Movement: Caliber AM5 (La Joux-Perret G100 Base) - Automatic
Hands: Gold Plated
Dial: Tropical - numerals in Super-Luminova® 'Light Old Radium'
Bezel: 120 Click, Full Black PVD Coated, Super Luminova Lume Dot (Light Old Radium)
Date Wheel: Roulette Date Wheel
Functions: HMS, Date
Box and Papers: Inner/outer boxes, and warranty card
Crystal: Double Domed Sapphire
Bracelet size: 7.5"
Condition: New
The Airain Sous-Marine Tropical 524.457 captures the essence of vintage dive watch aesthetics while delivering modern reliability, making it a standout in the brand’s contemporary lineup. Housed in a stainless steel case, this model leans into its retro inspiration with a rich “tropical” dial tone—evoking the warm, aged patina collectors love—paired with bold luminous markers and a clean, highly legible layout. The overall design stays true to mid-century tool watches, with a unidirectional bezel and balanced proportions that feel authentic rather than over-engineered. Powered by a dependable automatic movement, it offers the practicality needed for everyday wear.
What sets the Tropical 524.457 apart is its ability to channel vintage character without feeling forced or artificial. The warm dial coloration adds depth and personality, giving each glance a slightly different mood depending on lighting. Combined with modern build quality, a domed crystal, and thoughtful finishing, it strikes that sweet spot between nostalgia and functionality. For collectors drawn to neo-vintage pieces with real presence, the Sous-Marine Tropical delivers a laid-back, sun-faded aesthetic with the confidence of a modern dive watch.
The Movement:
The movement inside the Airain Sous-Marine is the Swiss-Made AM5 automatic calibre, based on the La Joux-Perret G100. It features a 68-hour power reserve, a tungsten rotor for smooth rotation and weight distribution, and is regulated to four positions for accuracy. The movement is decorated with Geneva stripes and blue polished screws, ensuring both performance and aesthetic appeal.
Parmentier Crown:
The case features a so-called Parmentier crown that adds even more character. The Parmentier construction consists of a small winding crown and a large screw-on cap to cover it. This helps make the Sous-Marine water resistant to 200 meters. The screw-on cap features a notched recess on the outside so you can operate the small crown underneath. A practical thing to keep in mind is that the cap comes off the watch as a separate element.
Information:
Reference: 524.457
Strap: Fixoflex Steel Bracelet & Tropic Rubber Strap
Case: 37.5mm x 12,77mm (10,25mm w/o crystal) Thickness x 48.2mm lug to lug - Stainless Steel
Crown: Parmentier Crown Cap System
Water Resistance: 200m (20ATM)
Lug Width: 20mm
Movement: Caliber AM5 (La Joux-Perret G100 Base) - Automatic
Hands: Gold Plated
Dial: Tropical - numerals in Super-Luminova® 'Light Old Radium'
Bezel: 120 Click, Full Black PVD Coated, Super Luminova Lume Dot (Light Old Radium)
Date Wheel: Roulette Date Wheel
Functions: HMS, Date
Box and Papers: Inner/outer boxes, and warranty card
Crystal: Double Domed Sapphire
Bracelet size: 7.5"
Condition: New
Description
The Airain Sous-Marine Tropical 524.457 captures the essence of vintage dive watch aesthetics while delivering modern reliability, making it a standout in the brand’s contemporary lineup. Housed in a stainless steel case, this model leans into its retro inspiration with a rich “tropical” dial tone—evoking the warm, aged patina collectors love—paired with bold luminous markers and a clean, highly legible layout. The overall design stays true to mid-century tool watches, with a unidirectional bezel and balanced proportions that feel authentic rather than over-engineered. Powered by a dependable automatic movement, it offers the practicality needed for everyday wear.
What sets the Tropical 524.457 apart is its ability to channel vintage character without feeling forced or artificial. The warm dial coloration adds depth and personality, giving each glance a slightly different mood depending on lighting. Combined with modern build quality, a domed crystal, and thoughtful finishing, it strikes that sweet spot between nostalgia and functionality. For collectors drawn to neo-vintage pieces with real presence, the Sous-Marine Tropical delivers a laid-back, sun-faded aesthetic with the confidence of a modern dive watch.
The Movement:
The movement inside the Airain Sous-Marine is the Swiss-Made AM5 automatic calibre, based on the La Joux-Perret G100. It features a 68-hour power reserve, a tungsten rotor for smooth rotation and weight distribution, and is regulated to four positions for accuracy. The movement is decorated with Geneva stripes and blue polished screws, ensuring both performance and aesthetic appeal.
Parmentier Crown:
The case features a so-called Parmentier crown that adds even more character. The Parmentier construction consists of a small winding crown and a large screw-on cap to cover it. This helps make the Sous-Marine water resistant to 200 meters. The screw-on cap features a notched recess on the outside so you can operate the small crown underneath. A practical thing to keep in mind is that the cap comes off the watch as a separate element.
Information:
Reference: 524.457
Strap: Fixoflex Steel Bracelet & Tropic Rubber Strap
Case: 37.5mm x 12,77mm (10,25mm w/o crystal) Thickness x 48.2mm lug to lug - Stainless Steel
Crown: Parmentier Crown Cap System
Water Resistance: 200m (20ATM)
Lug Width: 20mm
Movement: Caliber AM5 (La Joux-Perret G100 Base) - Automatic
Hands: Gold Plated
Dial: Tropical - numerals in Super-Luminova® 'Light Old Radium'
Bezel: 120 Click, Full Black PVD Coated, Super Luminova Lume Dot (Light Old Radium)
Date Wheel: Roulette Date Wheel
Functions: HMS, Date
Box and Papers: Inner/outer boxes, and warranty card
Crystal: Double Domed Sapphire
Bracelet size: 7.5"
Condition: New
