Glashütte Original · SeaQ

Strap for SeaQ Panorama Date Stainless Steel / Black / Synthetic - Pin

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter43 mm
Reference1-36-13-01-80-08
FamilySeaQ
MovementGlashütte Original caliber 36-13 Hours, Minutes, Seconds | Big 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 SeaQ 1-36-13-01-80-08

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The SeaQ 1-36-13-01-80-08, seen from the bench

The SeaQ features the Glashütte Original 36-13 automatic caliber with hours, minutes, seconds, and big date functions. The watch is equipped with 21mm lugs. The model belongs to the German manufacturer's dive watch collection.

Frequently asked questions

What is the lug width of the Glashütte Original SeaQ 1-36-13-01-80-08?

The SeaQ lug width is 21 mm, confirmed by official Glashütte Original specifications. This width ensures proportional harmony between the 43.20 mm case and the calibre 36-13 movement. Verify measurement by placing a digital calliper inside the lugs, between the inner case shoulders, within ±0.05 mm tolerance.

Which strap is most suitable for the Glashütte Original SeaQ 1-36-13-01-80-08?

Selection depends on intended usage. For daily elegance, we recommend vegetable-tanned Tuscan leather or French gummed calf; for diving and marine environments, polyamide NATO or Tropic vulcanised rubber; for formal occasions, Hungarian shell cordovan in burgundy tones. All materials must comply with the 21 mm lug width for guaranteed compatibility.

How do you replace the strap on a Glashütte Original SeaQ 1-36-13-01-80-08?

Strap replacement requires extraction of spring bars from the case lugs using a dedicated spring bar tool or precision screwdriver. Procedure: position the watch with stable case, locate the small release hole on the inner spring mechanism, press gently inward and slide the bar horizontally until fully extracted. Insert the new strap, aligning the holes with the bars, verify correct locking engagement.

Is there a certified aftermarket strap for the 21mm lug width on the SeaQ?

Yes. Italian handcrafted leather straps, custom-made by sartorial ateliers such as Casati Milano, guarantee structural and aesthetic compatibility with the SeaQ. Materials include certified vegetable-tanning, shell cordovan, and French calf with reinforced stitching. The constructive difference from industrial products lies in micrometric dimensional control (±0.05 mm) and sartorial edge finishing.

What is the average lifespan of a leather strap on a Glashütte Original SeaQ 1-36-13-01-80-08?

Durability varies according to material and environmental use. Vegetable-tanned leather: 3–5 years with regular maintenance (hydration every 6–8 months); gummed calf: 4–6 years in humid environments; shell cordovan: 5–7 years with progressive natural patina; Tropic rubber: 2–3 years with continuous UV exposure. Preventive replacement is recommended before structural degradation to preserve case integrity and spring bar security.

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