Unworn Breitling Top Time B31 38, AB3113281A1X1, box and papers

The Breitling Top Time B31 38 mm is a refined fusion of vintage design and modern mechanical performance. With its clean dial layout, compact 38 mm stainless steel case, and beige calfskin leather strap, this timepiece channels the effortless elegance of 1960s motorsport chronographs. At its heart beats the Breitling Manufacture Caliber B31—a COSC-certified self-winding mechanical movement offering an extended 78-hour power reserve and precise calendar functionality. The watch features a cambered sapphire crystal glareproofed on both sides for excellent visibility, while the screwed-in caseback and 100-meter water resistance ensure reliability in daily wear. Lightweight and versatile, it’s a standout piece for those who appreciate Swiss craftsmanship with retro charm.

Technical Data
• Movement
– Caliber: Breitling B31 (Manufacture)
– Type: Self-winding mechanical
– Functions: Hours, minutes, seconds, date (aperture)
– Power reserve: Approx. 78 hours
– Frequency: 28,800 vph

Case
– Material: Stainless steel
– Caseback: Screwed in with sapphire crystal
– Bezel: Fixed stainless steel
– Crown: Non screw-locked, two gaskets
– Crystal: Cambered sapphire, glareproofed both sides
– Water resistance: 100 m (10 bar)

Dimensions
– Diameter: 38 mm
– Lug width: 20.05 mm
– Watch-head weight: 54 g
– Total weight: Approx. 65.84 g

Strap
– Material: Calfskin leather
– Color: Beige
– Type: Straight
– Lug size: 20/18 mm
– Buckle: Tang-type in stainless steel (18 mm)

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