Case Material
Stainless steel
Water Resistance
10 bars (100 m/330 ft)
Diameter
38 mm
Thickness
10.31 mm
Power Reserve
Approx. 78 hrs
Movement
Caliber
Breitling B31 (Manufacture)
Movement
Self-winding mechanical
Power Reserve
Approx. 78 hrs
Vibration
28,800 v.p.h
Calendar
Dial aperture
Case
Case Material
Stainless steel
Water Resistance
10 bars (100 m/330 ft)
Crystal
Sapphire
Dimensions
Diameter
38 mm
Thickness
10.31 mm
Lug Width (in-between lugs)
20.05 mm
Strap
Strap Material
Calfskin leather
Strap Colour
Beige
Strap Type
Straight
Lug
20/18 mm
Buckle Material
Stainless steel
Buckle Type
Tang-type
Buckle Size
18 mm
Technical data
Movement
Caliber
Breitling B31 (Manufacture)
Movement
Self-winding mechanical
Power Reserve
Approx. 78 hrs
Vibration
28,800 v.p.h
Calendar
Dial aperture
Case
Case Material
Stainless steel
Water Resistance
10 bars (100 m/330 ft)
Crystal
Sapphire
Dimensions
Diameter
38 mm
Thickness
10.31 mm
Lug Width (in-between lugs)
20.05 mm
Strap
Strap Material
Calfskin leather
Strap Colour
Beige
Strap Type
Straight
Lug
20/18 mm
Buckle Material
Stainless steel
Buckle Type
Tang-type
Buckle Size
18 mm
The Story
The Top Time collection was born in the 1960s as Breitling's bold answer to the era's fascination with speed, style, and motorsport. Where other professional watches leaned purely functional, the original Top Time embraced a sportier, more expressive character—drawing direct inspiration from classic-car dashboard clocks with their twin-register dials, vibrant color combinations, and compact round cases.
The 2025 Top Time B31 reinterprets this legacy with a completely fresh perspective. The 38 mm case preserves the vintage proportions that made the original so wearable, while the dial design lifts its cues straight from the instrument panels of 1960s racing cars. Three colorways—green, blue, and a two-tone white/sky-blue—reinforce the collection's personality, and the perforated calfskin strap pays direct homage to the driving gloves of the era. This is a watch that celebrates individuality and the spirit of adventure just as the original did, but on entirely modern terms.
The Top Time B31 is powered by the Breitling Manufacture Calibre B31—the brand's first proprietary three-hand manufacture caliber, debuting in the Top Time line for the first time with the 2025 edition. It is a self-winding mechanical movement beating at 28,800 vph (vibrations per hour), with a generous power reserve of approximately 78 hours and a date display via a dial aperture.
The B31 represents a milestone in Breitling's in-house watchmaking: entirely designed, developed, and produced within the brand's own manufacture. For a watch that wears as casually as a three-hand dress piece but carries manufacture-level credentials, it sets the Top Time B31 apart from comparably sized competitors. Unlike quartz movements, the B31 does not use a battery—it self-winds through the natural movement of the wearer's wrist.
At 38 mm in diameter and just 10.31 mm thick, the Top Time B31 is one of the most versatile watches in Breitling's current catalog. The compact footprint suits a wide range of wrist sizes and wears equally well under a shirt cuff as it does on a casual weekend.
The lug width of 20.05 mm keeps proportions balanced, and the 65.84 g total weight (54 g for the watch head alone) makes it wearable and comfortable on the wrist. The domed sapphire crystal—glareproofed on both sides—adds a vintage-inspired profile that enhances the retro character without adding bulk. For those considering it alongside other Breitling models, the Top Time B31 sits at the slimmer, more classically proportioned end of the range.
