Strap matcher

Best straps for the Longines HydroConquest 39mm

19 mm lugs, 39 mm case, reference L3.780.4.56.6. Try a strap below; the drawing is to scale.

Longines HydroConquest 39mm on a black rubber strap
Strap
Colour: Black
Strap width19 mm
At the buckle17 mm
Lug to lug (est.)45.5 mm

Looks that work on the Longines HydroConquest 39mm

Longines HydroConquest 39mm specs

Case
39 mm
Lug width
19 mm
Case material
stainless steel
Movement
Calibre L888.5, automatic
Water resistance
300 m

We couldn't confirm these sizes from a published spec sheet, so they're our best estimate. Measure your lug width before you buy: here's how.

Strap size for the Longines HydroConquest 39mm

What size strap fits the Longines HydroConquest 39mm?

The Longines HydroConquest 39mm takes 19 mm straps: its lug width is 19 mm. A leather strap will usually taper to 17 mm at the buckle.

How big is the Longines HydroConquest 39mm?

The case is 39 mm across, and about 45.5 mm from lug tip to lug tip.

What strap looks best on the Longines HydroConquest 39mm?

Good options are a steel three-link bracelet, a black and grey stripe NATO 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.