Technical Archive

Zeitwinkel
39mm Midsize 188° Rhodium— lug 18mm

Zeitwinkel 39mm Midsize 188° Rhodium: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

188° Rhodium

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Zeitwinkel 188° Rhodium
Lug Width
18 mm

The essential strap measurement.

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Reference

188° Rhodium

Movement

Zeitwinkel caliber ZW0102 KS Hours, Minutes, Small Seconds | Date

The Heritage

The Zeitwinkel 39mm Midsize reference 188° Rhodium features the automatic caliber ZW0102 KS with hour, minute, small seconds and date indications. The case has a diameter of 39mm with 18mm lugs. The proprietary Zeitwinkel movement ensures the essential time-reading functions with date complication.

FAQ

What is the lug width of the Zeitwinkel 39mm Midsize 188° Rhodium?

The Zeitwinkel 188° Rhodium features a 18.00mm lug width (anse width). This precise measurement is critical for selecting a compatible strap without play or tension. It is not a standard market size, but rather an intentional design choice by Zeitwinkel that demands straps engineered with millimetric precision.

Which strap is best suited for the Zeitwinkel 39mm Midsize 188° Rhodium?

For the rhodium dial and minimalist aesthetic of the 188° Rhodium, we recommend vegetable-tanned calfskin (develops natural patina) or anthracite-grey alligator for refined texture. A heavyweight NATO canvas offers sporting versatility, while structured rubber ensures practicality in wet conditions. The choice depends on intended use: formal wear for leather, versatile for NATO, dynamic for rubber.

How do I change the strap on my Zeitwinkel?

The strap is changed using a spring bar tool, inserted into the micro-slots on the sides of the lugs. Gently push towards the watch centre to release the cylindrical spring, then extract the old strap lug. Insert the new strap ensuring both sides of the spring engage correctly in the seats. The process requires patience and precision, particularly with 18mm lugs.

Can I use an aftermarket-compatible strap with my Zeitwinkel 39mm Midsize?

Yes, provided the strap is engineered for 18.00mm lugs. Artisanal straps offer superior construction quality compared to mass-market products and permit customisation (colour, material, finishing) that enhance the minimalist identity of the 188° Rhodium. Always verify lug width before purchase.

How long does a naturally-tanned leather strap last?

A vegetable-tanned leather strap typically lasts 3–5 years with daily wear, developing a natural patina during this period that increases aesthetic value. Longevity depends on humidity exposure, perspiration, and intensity of use. With proper care (drying after perspiration, storage in a dry environment), lifespan increases significantly. The strap does not age—it evolves, narrating the watch's history.