Strap matcher

Best straps for the Ball Engineer III King

20 mm lugs, 40 mm case. Try a strap below; the drawing is to scale.

Ball Engineer III King on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug (est.)47 mm

Looks that work on the Ball Engineer III King

Ball Engineer III King specs

Case
40 mm × 12.5 mm thick
Lug width
20 mm
Case material
Stainless steel
Movement
Ball RR1103, automatic
Water resistance
100 m

From the maker's published figures, gathered with AI help and not yet checked against a watch in hand. Measure your lugs before you buy.

Strap size for the Ball Engineer III King

What size strap fits the Ball Engineer III King?

The Ball Engineer III King takes 20 mm straps: its lug width is 20 mm. A leather strap will usually taper to 18 mm at the buckle.

How big is the Ball Engineer III King?

The case is 40 mm across, and about 47 mm from lug tip to lug tip.

What strap looks best on the Ball Engineer III King?

Good options are a black leather strap, a dark brown leather strap, a taupe suede strap. Try them all on the drawing above.

Sizes come from published specs. Check yours before you buy: how to measure lug width.