Nivada 85001

Nivada Grenchen Chronomaster Aviator Sea Diver Valjoux 23 - Serviced December 2025

Basic Info Listing code : QF7L14 Brand : Nivada Reference number : 85001 Movement : Manual winding Case material : Steel Bracelet material : Leather Year of production : 1960 (Approximation) Condition : Used (Fair) Scope of delivery : No original box, no original papers Gender : Men's watch/Unisex Location : United States of America, New York Price : 3,200 [Negotiable Availability : Item is in stock Caliber Movement : Manual winding Case Case material : Steel Case diameter : 38 mm Dial : Black Bracelet/strap Bracelet material : Leather Bracelet color : Brown Offered for sale is a Grenchen / Croton Chronomaster Aviator Sea Diver, a distinctive mid-century chronograph that blends aviation, diving, and tool-watch design into a single, historically compelling reference from the golden era of Swiss watchmaking. This example was purchased from Chen’s Watch, the legendary New York City vintage dealer long respected for sourcing and selling high-quality, authentic vintage timepieces. The watch was professionally serviced in December 2025 and keeps good time. The watch features a beautifully aged dial and bezel, both exhibiting rich, even patina that enhances character while maintaining excellent legibility. The overall presentation is honest and original, with no attempt to over-clean or modernize the watch. Powering the watch is the Valjoux 23, a respected and proven manual-wind chronograph movement widely regarded as a workhorse caliber of the era. The chronograph functions correctly and performs reliably following its recent service. Details Brand: Grenchen / Croton Model: Chronomaster Aviator Sea Diver Era: Circa late 1950s–early 1960s Case: Stainless steel Case diameter: Approximately 38 mm (excluding crown) Movement: Valjoux 23, manual-wind chronograph Functions: Chronograph, rotating bezel Crystal: Acrylic Strap: Brand new brown leather strap Condition: The watch presents in very good vintage condition. The case shows honest wear with well-preserved lines and proportions. Crown and pushers operate properly and as expected for a vintage chronograph. Please note: the lume on the minute hand has deteriorated, which is a common and well-documented characteristic of this model. This is clearly visible in the photos and has been fully disclosed and reflected in the price. The remaining dial and hand elements retain a period-correct appearance. Included Watch on a brand new brown leather strap No box or papers Additional Notes As with all vintage watches, timekeeping may vary depending on wear and environment, and water resistance is not guaranteed due to age. USD $3,200 Reasonable offers considered. Please feel free to reach out with any questions or requests for additional photos. Serious inquiries welcome.