Zeitwinkel · 39mm Midsize

Strap for 082° Black

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter39 mm
Reference082° Black
Family39mm Midsize
MovementZeitwinkel caliber ZW0102 CS hours, minutes, seconds | date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the 39mm Midsize 082° Black

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The 39mm Midsize 082° Black, seen from the bench

The Zeitwinkel 39mm Midsize 082° Black embodies contemporary German watchmaking philosophy with a radically minimalist stainless steel case and absolute black dial devoid of decoration. The watch features the internally developed Zeitwinkel caliber ZW0102 CS movement with hours, minutes, seconds and date functions. The 316L stainless steel case is satinized and measures 39mm in diameter, paired with an 18mm lug width that maintains the historically correct 2.2:1 proportion between case diameter and strap width.

Frequently asked questions

What lug width does the Zeitwinkel 39mm Midsize 082° Black have?

The 082° Black is fitted with an 18-millimetre lug width, the historical standard for midsize watches. This measurement is determined by the internal distance between the two spring bars positioned at the case ends. Compatible straps must have precisely this width to insert correctly without forcing.

What is the best strap for the Zeitwinkel 082° Black?

The choice depends on intended use and aesthetic preference. For formal occasions, an alligator or shell cordovan strap in dark brown creates chromatic balance with the black case. For daily versatility, vegetable-tanned leather in light brown or black offers durability and aesthetic evolution. For technical contexts, a grey twill NATO or black vulcanised rubber maintain the watch's minimalist design philosophy.

How do I change the strap on the 082° Black without risk?

Use a dedicated spring bar removal tool. Press the bar gently from the opposite side of the strap until the internal spring releases, then extract the bar itself. Repeat on the other side. Insert new bars into the strap, align precisely with the case lugs, and press until insertion click. Verify the strap is fully secured before wearing the watch.

Can I use an aftermarket 18mm strap with the Zeitwinkel 082° Black?

Yes, any strap with 18mm lug width is technically compatible. We recommend verifying thickness: excessively thick straps may not insert into the lugs or create tension on the spring bars. Vegetable-tanned leather straps with maximum 2.8mm thickness guarantee ideal fit without construction compromise.

How long does a leather strap last on the Zeitwinkel 082° Black?

A quality leather strap—alligator, shell cordovan, or Italian vegetable-tanned calf—resists 3-5 years with daily wear, developing patina that increases aesthetic value over time. Lifespan is influenced by sun exposure, humidity, and maintenance practices: periodic care with natural wax extends life to 7-8 years. Vulcanised rubber straps last 5-10 years depending on usage frequency and storage in cool environments.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only