Glashütte Original · SeaQ

Strap for SeaQ Chronograph Stainless Steel / Silver Screen / Synthetic - Folding

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
Reference1-37-23-03-80-34
FamilySeaQ
MovementGlashütte Original caliber 37-23 Hours, Minutes, Small Seconds | Big Date | Chronograph, Column wheel, Flyback | Power Reserve Indicator
CaseCeramic, 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 1-37-23-03-80-34

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The SeaQ 1-37-23-03-80-34, seen from the bench

The Glashütte Original SeaQ 1-37-23-03-80-34 is a contemporary sports watch featuring a 43.20mm stainless steel case with black ceramic bezel insert and unidirectional rotating bezel. It houses the automatic caliber Glashütte Original 37-23 with bidirectional winding, 28,800 oscillations/hour, and a 42-hour power reserve. The watch features a chronograph with column-wheel flyback mechanism, big date window, and 21mm lug width. The case combines 316L stainless steel with high-tech ceramic in the bezel, ensuring corrosion resistance.

Frequently asked questions

What is the lug width of the Glashütte Original SeaQ 1-37-23-03-80-34?

The lug width of the Glashütte Original SeaQ 1-37-23-03-80-34 is 21mm. This measurement, also referred to as strap width, represents the distance between the two attachment pins on the case. To verify, remove the strap and measure with a digital calliper the distance between the lugs: the value should read approximately 21.0mm ± 0.2mm. Unlike the visible width of the strap material, the 21mm measurement refers exclusively to the physical spacing on the case itself.

Which strap is best suited for the Glashütte Original SeaQ 1-37-23-03-80-34?

The most appropriate strap depends on intended use and personal style. For sporty elegance, Mississippi alligator in black or bayou alligator in chocolate harmonises perfectly with the black ceramic. For versatility and natural ageing, shell cordovan in dark chestnut is the premier choice: it ages magnificently, transitioning from burgundy to deep brown tones. For tactical dynamics, 400D NATO in military grey or navy blue offers instant interchangeability. For frequent aquatic use, FKM rubber in black is mandatory.

How do I change the strap on the Glashütte Original SeaQ 1-37-23-03-80-34?

Changing the strap on the SeaQ 1-37-23-03-80-34 requires a spring bar tool. Procedure: 1) Position the watch on a soft surface (microfibre cloth); 2) Insert the flat end of the spring bar tool under the pin from the lug side (not from the case); 3) Apply upward pressure until the pin retracts; 4) Remove the old strap. To install the new strap: position the pins in the lug slots, press gently until they click into place. Avoid working directly on the case to prevent scratching the steel or ceramic.

Can I use an aftermarket strap on the Glashütte Original SeaQ 1-37-23-03-80-34?

Yes, any strap with a 21mm lug width is compatible with the SeaQ 1-37-23-03-80-34. Aftermarket straps enable maximum aesthetic personalisation and seasonal rotation of options. Always verify that the strap is constructed from quality materials (aniline leather, cordovan, certified alligator) and features double, evenly-spaced stitching. Avoid straps exceeding 2mm thickness, which would create excessive tension on the pins. Atelier Casati Milano offers bespoke custom straps tailored for the SeaQ, crafted with stainless steel deployante buckles.

What is the typical lifespan of a leather strap on the Glashütte Original SeaQ 1-37-23-03-80-34?

Leather strap longevity depends on material composition, climate, and wearing intensity. Shell cordovan: 3-5 years with daily wear, owing to natural robustness and oil concentration. Alligator: 2-4 years, being less dense than cordovan yet exceptionally durable. Vegetable-tanned calf: 1.5-3 years, as it absorbs body moisture and degrades more rapidly. 400D Cordura NATO: 5-7 years, virtually indestructible. FKM rubber: 4-6 years. Ageing is not deterioration: it is patina. A shell cordovan strap after 4 years is more beautiful, not less functional. Recommendation: rotate two straps to extend the average lifespan of each to 8-10 years.

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