Glashütte Original · Seventies
Strap for Seventies Chronograph Panorama Date Grey / Nubuck / Folding
Takes 26 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Seventies 1-37-02-05-02-55, seen from the bench
Frequently asked questions
What is the lug width of the Glashütte Original Seventies 1-37-02-05-02-55?
The lug width of the Glashütte Original Seventies is precisely 26 millimetres. This measurement represents the distance between the internal metal pins of the two lugs and is critical for aftermarket strap compatibility. On this model, the 26-millimetre specification is not arbitrary; it results from the proportional design of the 40-millimetre cushion case, which requires a wider lug to maintain visual equilibrium compared to compact case designs.
Which strap material is most suitable for the Seventies 1-37-02-05-02-55?
The ideal strap depends on intended use and desired aesthetic statement. For formal elegance, an alligator with vegetable tanning in cognac or a black satin calf leather emphasises the case geometry and column-wheel chronograph architecture. For a sport-formal approach, a cotton or nylon NATO strap in charcoal grey transports the model into tactical territory without compromising dignity. For maximum refinement, a burgundy shell cordovan develops a distinctive patina over time.
How do I change the strap on a Seventies with 26mm lug width?
Changing the strap on watches with 26mm lugs requires specific tools: a spring bar tool and a stable work surface. Position the watch with the upper lug parallel to the work plane. Insert the tool's tip into the spring pin access hole, compress the internal spring with care, and extract the pin. Repeat on the lower lug. Install the new strap by reversing the procedure, ensuring the pin is fully seated and the spring returns to position. For leather straps with irregular keeper loops, verify beforehand that thickness accommodates the case profile.
Are aftermarket straps available in 26mm lug width for the Seventies?
Yes, Milano Straps maintains a complete collection of 26mm-compatible straps in multiple materials: vegetable-tanned alligator, calf leather, shell cordovan, cotton NATO, and technical rubber. All straps are handcrafted to elevated quality standards and ready for dispatch. Online selection allows customisation of colour and closure type (deployante buckle, standard tang buckle, or ardillon clasp).
How long does a leather strap typically last on a daily-worn Seventies?
Leather strap longevity depends on material type, tanning method, and intensity of use. A vegetable-tanned calf leather subjected to daily wear under normal conditions maintains structural integrity for 4–6 years before keeper-loop wear becomes visible. Alligator, more resistant to humidity fluctuations, extends lifespan to 6–8 years. Shell cordovan, extraordinarily durable, exceeds a decade with minimal maintenance (regular cleaning, annual conditioning with natural oils). Leather ageing does not imply functional failure but rather aesthetic patina evolution, which many collectors regard as a virtue.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
