Junghans Aerious Gold Chronoscope USA Edition Pilot’s Chronograph – 18K Gold – Ref. 27/9305.100

Watch Overview

The Junghans Aerious Gold Chronoscope USA Edition Pilot’s Chronograph wristwatch, reference 27/9305.100, is a striking expression of German precision and strength of character. One of only 35 pieces ever produced, this exceptional timepiece stands as a tribute to the brand’s enduring pursuit of accuracy and excellence. Designed for aviators and collectors who value both engineering mastery and refined functionality, this limited-edition model embodies the pinnacle of Junghans craftsmanship.

Powered by the self-winding calibre J890, an exceptional chronograph movement featuring a column wheel system, 41 jewels, small seconds, date display, power reserve indicator up to 48 hours, and a frequency of 28,800 vph (4 Hz), the Aerious Pilot delivers technical performance that meets professional standards.

The multi-part dial combines a carbon fiber layer with applied hour markers, the historical Junghans logo, and luminous accents. It presents small seconds at 11 o’clock, a power reserve and date display at 4 o’clock, and chronograph functions including a central seconds hand, 30-minute counter at 1 o’clock, and 12-hour counter at 7 o’clock. Each indication is purposefully arranged for perfect balance and legibility, underscoring the watch’s precision-focused design.

The substantial 46.6 mm round case, crafted from solid 18-carat gold, features a screw-down crown with protective shoulders, well-proportioned pushers, a display case back, and a domed sapphire crystal with anti-reflective coating on both sides. Water-resistant to 10 bar (100 meters / 330 feet), it is engineered for durability and reliability.

Every detail — from the Côtes de Genève finishing and blued screws on the movement to the 18K gold folding clasp paired with an alligator leather strap — reflects Junghans’ legacy of sophistication, design integrity, and timeless value. A rare mechanical treasure for true connoisseurs of fine horology.

Product Details

General Specifications

• Brand: Junghans
• Type: Wristwatch
• Model: Aerious Gold Chronoscope USA Edition
• Reference: 27/9305.100
• Year / Era: Modern
• Gender: Men's
• Country of Manufacture: Germany

Movement

• Type: Self-winding
• Caliber: J890
• Jewels: 41
• Some Functions:
  • Hours, minutes, small seconds
  • Power reserve indicator
  • Date calendar with quick-set
  • Central chronograph seconds
  • 30-minute counter
  • 12-hour counter
  • Column-wheel system
• Power Reserve: Up to 48-hours
• Frequency: 28,800vph (4 Hz)

Case & Band

• Material: 18K yellow gold
• Case Shape: Round
• Bezel: Smooth
• Crown: Screw-down with crown guards at 4.30 o'clock
• Crystal: Domed sapphire with anti-reflective coating on both sides
• Back: Exhibition
• Water Resistance: Up to 10 bar (100 meters / 300 feet / 10 ATM)
• Band: Alligator leather strap with 18K gold folding clasp
• Case Back Markings: Junghans Aerious 27/9305.100 Sapphire 750/18K 10 BAR

Case Measurements (mm)

• Case Size: 46.6
• Case Diameter w/Crown: 53.6
• Case Lug to Lug: 52.2
• Case Thickness: 14.8
• Lug Width: 23
• Band Width: 23

Additional Info

• Box & Papers: YES - Original double box and papers
• Condition: The watch is in pristine condition. The case, dial, and strap remain in outstanding condition. All original
• Extras: This timepiece has been fully inspected and authenticated by our in-house watchmaker, confirming that it runs accurately. It is ready to wear and enjoy.

History & Legacy of Junghans

Founded in 1861, Junghans has long been a symbol of precision and aesthetic balance in German watchmaking. The Aerious Pilot’s Chronograph continues this tradition — merging advanced engineering with timeless design and meticulous attention to detail.

This model embodies the philosophy of Junghans: a harmony of technical excellence and understated elegance, offering collectors not just a watch, but a legacy of innovation and artistry.

About Second Hand Horology

At SECOND HAND HOROLOGY, we offer a curated selection of watches ranging from vintage to modern, including both brand-new and pre-owned timepieces. We’re committed to quality, accuracy, and integrity. Our listings feature:

Professional, unedited photography and clear, transparent descriptions. Every watch is thoroughly inspected and securely packaged to ensure a confident, seamless buying experience.

We also warmly invite you to visit our physical shop and explore the collection in person.

Contact Us

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