Technical Archive

Fortis
Cosmonaut 623.18.71— lug 20mm

Fortis Cosmonaut 623.18.71: cinturini 20mm artigianali in cuoio, alligatore e gomma. Compatibilità tecnica garantita.

Spacematic Pilot Professional PVD — orologio

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Fortis 623.18.71
Lug Width
20 mm

The essential strap measurement.

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Reference

623.18.71

Movement

ETA caliber 2836-2 Hours, Minutes, Seconds | Date, Day

The Heritage

Crafted with meticulous attention to detail, these premium leather straps are the perfect accessory to complement the iconic Fortis Cosmonaut 623.18.71 watch.

Compatible Straps

Selected for 20mm lug width

Cinturino Velcro® Blue Ecru

Velcro® Strap Blue Ecru

Blue and rope. Sea and beach. White sail against blue sky. There are contrasts that exi...

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Cinturino militare in pelle di vitello marrone scuro 20-22mm, senza cuciture, Made in Italy — Milano Straps

Dark Brown Calfskin Military Strap

For a Submariner, you need a strap that can withstand water and time. For a military wa...

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Cognac Brown Vintage Leather Watch Strap with Full Patina Stitching

Cognac Brown Vintage Leather Watch Strap with Full Patina Stitching

Cognac Brown Vintage Leather Watch Strap with Full Patina Stitching | Handmade in Italy...

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Cognac Brown Vintage Leather Watch Strap with Patina Stitching | Handmade in Italy

Cognac Brown Vintage Leather Watch Strap with Patina Stitching | Handmade in Italy

Cognac Brown Vintage Leather Watch Strap with Patina Stitching | Handmade in Italy - 20...

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Hammered calfskin strap in cuoio

Hammered calfskin strap in cuoio

Hammered calfskin in this shade works because the grain gives body to a colour that, on...

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Recycled Nylon Military Strap — Grey with Red Stitching

Recycled Nylon Military Strap — Grey with Red Stitching

Three millimeters thinner than leather. A choice, not a compromise.Recycled military ny...

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Recycled Nylon Military Strap — Grey with Red Stitching

Recycled Nylon Military Strap — Grey with Red Stitching

Three millimeters thinner than leather. A choice, not a compromise.Recycled military ny...

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Horween Cordovan Brown Watch Strap

Horween Cordovan Brown Watch Strap

Cordovan begins with a selection, before it begins with a tannage. The shell is a fibro...

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Black and Red Shell Cordovan Strap

Black and Red Shell Cordovan Strap

Cordovan is not obtained from tanning — it is obtained from selection. Shell leather, t...

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Black and Red Shell Cordovan Strap

Black and Red Shell Cordovan Strap

Cordovan is not obtained from tanning — it is obtained from selection. Shell leather, t...

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See all 20mm straps →

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