Strap matcher

Best straps for the Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)

20 mm lugs, 42 mm case, reference 311.30.42.30.01.005 (1996–2021). Try a strap below; the drawing is to scale.

Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861) on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug47.5 mm

Looks that work on the Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)

Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861) specs

Made
1996–2021
Case
42 mm × 14 mm thick
Lug width
20 mm
Lug to lug
47.5 mm
Case material
stainless steel
Movement
Calibre 1861, manual-winding
Water resistance
50 m
Nickname
Moonwatch

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 Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)

What size strap fits the Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)?

The Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861) 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 Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)?

The case is 42 mm across, and about 47.5 mm from lug tip to lug tip.

What strap looks best on the Omega Speedmaster Professional Moonwatch (Hesalite, cal. 1861)?

Good options are an oxblood leather strap, a grey suede strap, a black and grey stripe NATO strap. Try them all on the drawing above.

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