Technical Archive

Nomos Glashütte
Orion 325— lug 17mm

Nomos Glashütte Orion 325: 17mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Artisanal Note

"This model requires a precise 17mm lug width to preserve the original sartorial balance."

Lug Width

17 mm

The essential strap measurement.

Browse 17mm straps →

Reference

325

Movement

Nomos Glashütte caliber Alpha Hours, Minutes, Small Seconds

The Heritage

The Nomos Glashütte Orion 325 embodies contemporary German watchmaking: essential construction, calibrated geometric proportions, and a movement visible through a sapphire caseback. Born from the Glashütte manufactory, this model continues the tradition of instrumental precision since 1845. With a 32.80 mm stainless steel case, a manual-wind Nomos Glashütte Alpha caliber (21,600 vph, 43-hour power reserve), and a 17 mm lug width, the Orion represents a conscious choice for discerning wrists rejecting contemporary gigantism in favour of classical 33–36 mm proportions. The caseback reveals the finely finished movement certified by Glashütte Prädikat.

FAQ

What is the lug width of the Nomos Glashütte Orion 325?

The Nomos Glashütte Orion 325 features a lug width of 17 millimetres. This is an unusual measurement in contemporary horology, requiring straps specifically dimensioned to ensure correct proportions and wearing comfort. The measurement is taken between the outer faces of the two case lugs that support the strap.

What is the best strap for the Nomos Orion 325?

The ideal strap depends on use and personal preference. For formal contexts, we recommend alligator with vegetable tanning or Tuscan grain calf, both with integrated deployante clasp. For versatile daily wear, a NATO strap in grey or blue polyamide maintains the dial's minimal elegance. Shell cordovan remains the premium choice for longevity (15+ years). Regardless of material, construction quality must be artisanal.

How do you change the strap on a Nomos Orion 325?

Strap replacement requires two tools: a spring bar removing tool or a precision screwdriver. Position the watch on a soft surface with the lugs facing upward. Insert the tool into the small hole beside the spring bar and gently push: the bar will release. Repeat on the other lug. Align the new strap's holes with the lugs and reinsert the bars using the reverse procedure. The operation takes 5–10 minutes for experienced users.

Can I use compatible aftermarket straps on a Nomos Orion 325?

Absolutely. Quality aftermarket straps dimensioned correctly to 17 mm are fully compatible with the Orion 325. Milanostraps offers a curated collection of leather, NATO, and rubber straps specifically dimensioned for this lug width. The important thing is to verify the width is exactly 17 mm and that the spring bar diameter matches Nomos standards (typically 1.5 mm).

How long does a leather strap last on a Nomos Orion 325?

Durability varies depending on material and use. Standard calf with vegetable tanning lasts 3–5 years with daily wear and regular maintenance (cleaning, annual conditioning). Alligator typically lasts 5–7 years thanks to more robust cellular structure. Shell cordovan can reach 15+ years with proper care. Ageing is part of the character: patina and wear marks testify to the watch's intimacy with the wearer's wrist.