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Black Calf Leather Watch Strap

This calf leather watch strap is vegetable-tanned black. Its underside is lined in beige and stamped with an Endatto logo. A white stitch mirrors each lug, sewn just below the quick release pins. Our black watch strap features a width of 20mm at the lugs, and 18mm at the engraved tongue buckle. Its length is 125mm at 6 o’clock, and 75mm at 12 o’clock. The strap is padded, ensuring comfort and durability.


Availability: 20 in stock

Technical Specification


  • Sunray dial
  • Laser-etched, sandwich-cut. 
  • Date aperture at three o’clock.
  • Polished applied indexes with Super-LumiNova® BGW9
  • Hour and minute hands with Super-LumiNova® BGW9


  • 316L stainless steel case
  • Diameter: 39mm
  • Thickness: 10.7mm
  • Lug to Lug Height: 46.8mm
  • Sapphire crystal with anti-reflective coating
  • Fully polished except for upper lug surface
  • Screwed, exhibition case back
  • Water resistant: up to 5 ATM


  • Calibre: ETA 2824-2 automatic 
  • Frequency: 28,800 VpH
  • Power reserve: 38 hours
  • Jewels: 25 
  • Finishing: oscillating weight embellished with Côtes de Genève motif
  • Functions: hours, minutes, central sweep seconds and date

Strap & Buckle

  • Lug to Lug width: 20mm
  • Coordinating calfskin strap
  • Quick-change strap facility
  • Endatto-branded pin buckle
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