Glashütte Original · SeaQ

Strap for SeaQ Date Stainless Steel / Blue / Rubber - Folding

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference1-39-11-10-70-33
FamilySeaQ
MovementGlashütte Original caliber 39-11 hours, minutes, seconds | date
Year2024
CaseYellow Gold, Stainless 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 1-39-11-10-70-33

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The SeaQ 1-39-11-10-70-33, seen from the bench

The Glashütte Original SeaQ features the automatic caliber 39-11 with hour, minute, second and date functions. The watch has 20mm lug width and adopts the technical characteristics typical of the brand's diving watches. The in-house movement guarantees the essential functions with the constructive precision of the Glashütte manufacture.

Frequently asked questions

What is the lug width of the Glashütte Original SeaQ 1-39-11-10-70-33?

The lug width of the SeaQ 1-39-11-10-70-33 is 20 mm. This measurement, taken between the inner shoulders of the lugs, ensures broad compatibility with quality artisanal straps, maintaining aesthetic coherence with the 39.50 mm case diameter.

Which strap is most suitable for the yellow gold SeaQ?

For the yellow gold configuration, we recommend an alligator strap in dark brown or vegetable-tanned calf leather in tobacco. These materials enhance the warmth of the precious case and develop a patina over time that naturally complements the oxidation of gold. For sporting contexts, navy NATO fabric maintains chromatic coherence with the model's aquatic heritage.

How do you change the strap on the Glashütte Original SeaQ?

Strap replacement involves removing the lug pins – specialised tools such as pin removers allow this operation within minutes. Because the lug width measures 20 mm, any strap with identical dimensions fits without structural modifications. We recommend performing this operation on a clean surface, using an antistatic cloth to protect the case.

Are aftermarket straps compatible with the SeaQ 1-39-11-10-70-33?

Yes. Any strap with a 20 mm lug width is fully compatible with the SeaQ. Quality artisanal straps – in alligator, calf or FKM rubber – ensure optimal aesthetic proportions and constructive durability. The versatility of the 20 mm lug width permits rapid transitions between multiple straps.

How long does a leather strap last on the SeaQ?

A quality leather strap – American alligator or vegetable-tanned calf – typically lasts 3–5 years under regular (non-continuous) use. Durability depends on ambient humidity, frequency of wear and maintenance. Occasionally applying specialist leather balms and storing the strap in a dry environment prolongs useful life. FKM rubber significantly outlasts leather in humid or marine 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