Mens and ladies standard butterfly hidden clasp. Replacement Stainless Steel clasp is a hidden clasp under the watch band, so that when band is closed, clasp is not seen. A butterfly clasp is mostly used on metal bands. The clasp is attached by a tube with pins on each side of the band.

Mens Clasp:

• Length: 39.7 mm
• Width: 10.0 mm
• Tube size: 4.0 mm

      Ladies Clasp:

• Length: 35.5 mm
• Width: 8.0 mm
• Tube size: 3.5 mm