Strap for Senator Automatic White Gold / Diamond / Silver / Alligator / Pin

The lug width of the Glashütte Original Senator 1-39-59-01-12-04 is precisely 18mm. This dimension is binding for compatibility with any aftermarket strap. To measure correctly, use a digital calliper or ruler positioned between the internal lug attachments: the free space must correspond exactly to 18mm. Do not measure the outer lugs, as this will produce an inaccurate reading.

For a Senator 1-39-59-01-12-04 in white gold, ideal straps are: natural alligator with vegetable tanning (cognac or dark brown) for formal contexts, full-grain calf aged for daily versatility, cotton NATO for a contemporary approach. Avoid inexpensive synthetics: white gold deserves a strap constructed from noble materials and artisanal craftsmanship.

Strap replacement requires a spring bar tool. Position the watch on a clean surface, insert the flat tip of the tool into the lateral slot of the attachment and gently push the lateral spring toward the centre of the case. Once the old strap is freed, repeat the operation to install the new one. If you do not possess the tool, consult a professional: the Senator deserves precision, not improvisation.

Yes, provided the lug width is strictly 18mm. A quality aftermarket strap—such as those in alligator with vegetable tanning or full-grain calf—does not compromise the value or aesthetic of the Senator. Indeed, personalising the strap allows exploration of different chromatic tones and materials, transforming the watch for multiple contexts. Avoid inexpensive and synthetic straps: the Senator deserves investment in the strap as well.

A quality leather strap—alligator with vegetable tanning or full-grain calf—lasts 3–5 years with regular use, provided appropriate maintenance is observed. Expose the strap as little as possible to intense heat sources, prolonged fresh water or constant humidity. The natural patina that develops is desirable; deterioration is preventable by protecting the strap with specific balms every 6–12 months. Over time, many owners choose to replace the strap to refresh the appearance of the watch, keeping the case value intact.