This 1969 Longines Ultra-Chron features an automatic high-beat movement (36.000 bph), a 34.5mm case size, and a lug width of 40mm, making it suitable for modern wear.

• Condition: Pre-owned with minor scratches on Crystal and case, stiff crown in manual winding
• Case Diameter: 34.5mm
• Lug Width: 40mm
• Thickness: 10mm

The Ultra-Chron ref. 8353 features a cushion-style stainless steel case and a date window at 4 o'clock, powered by the high-beat Cal. 431 chronometer movement running at 36,000 bph.

• Condition: Pre-owned with visible scratch near 12 o'clock and hairline scratches on the case.
• Movement Rate: 36,000 beats per hour
• Case Size: 35mm diameter
• Crystal Type: Unsigned plexi

a 1969 Longines Ultra-Chron with a High-Beat Chronometer Cal. 431 movement, serviced in August 2025.

• Caliber: Cal. 431
• Service date: Aug 2025

This vintage Longines Ultra-Chron features a sleek white sunburst dial with crosshair design and is powered by the Hi-Beat Cal. 431 automatic movement, beating at 36,000 BpH.

• Condition: Excellent, serviced recently
• Case size: 35mm
• Movement type: Cal. 431 Hi-Beat Automatic

This IWC R-1014-A Cir. is a rare manual wind chronometer with a high grade Cal. 403 movement. The textured dial is reminiscent of some current offerings by Grand Seiko, and the ultra sharp stainless steel case wears larger than its 33mm diameter would suggest.

• Condition: Very good considering age (some staining, patina, small dents, crystal scratches)
• Movement caliber: Cal. 403
• Case material: stainless steel
• Diameter: 33mm