Glashütte Original · Seventies

Strap for Seventies Chronograph Panorama Date Ruthenium / Alligator / Folding

Takes 26 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width26 mm
Case diameter40 mm
Reference1-37-02-01-02-30
FamilySeventies
MovementGlashütte Original caliber 37-02 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback | power reserve indicator
Year2014
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Seventies 1-37-02-01-02-30, seen from the bench

The Glashütte Original Seventies is equipped with the automatic caliber 37-02, featuring chronograph flyback, big date, and power reserve functions. The movement utilizes a column-wheel mechanism to control the chronograph. The watch has 26mm lugs and a separate small seconds display.

Frequently asked questions

What is the lug width of the Glashütte Original Seventies 1-37-02-01-02-30?

The Glashütte Original Seventies 1-37-02-01-02-30 features a lug width of 26mm. This measurement, taken from the base of one lug to the other perpendicular to the dial, is standardised across this model and ensures compatibility with all 26mm straps in the specialist catalogue.

Which strap is most suitable for the Seventies 1-37-02-01-02-30?

The ideal strap depends on usage and colour preference. For formal elegance, black alligator or aged brown cordovan enhances the cushion case geometry. For daily versatility, a vegetable-tanned calf strap or NATO in neutral tones (dark grey, black) represent thoughtful choices. For those utilising the chronograph actively, structured rubber offers practicality whilst maintaining aesthetic consistency.

How do I change the strap on the Glashütte Original Seventies 1-37-02-01-02-30?

Strap replacement occurs via the spring bars located at the lug attachments. Using a dedicated pusher tool or flat lever, lift the spring bar whilst withdrawing the old strap. The new 26mm strap is inserted by aligning the holes to the lug ends, then the spring bar is lowered until it locks with an audible click. This operation requires care to avoid casing scratches: if uncertain, contact Casati Milano for professional strap change with expert supervision.

Can I use an aftermarket strap on this model?

Yes. The Glashütte Original Seventies 1-37-02-01-02-30 accepts any strap with a 26mm lug width. Quality aftermarket straps – in alligator, shell cordovan, vegetable-tanned calf, or technical materials – integrate perfectly. The key is ensuring the strap was produced with attention to finishing (preferably brushed steel for deployantes) and that the material maintains aesthetic coherence with the stainless steel case.

How long does a leather strap last on the Seventies?

Leather strap longevity depends on intensity of wear, climate, and material quality. An alligator or cordovan of excellent manufacture, worn regularly in temperate conditions, easily reaches 3–4 years of operational life. Vegetable-tanned calf, with more open fibres, averages 2–3 years. Technical rubber (FKM) easily achieves 5–6 years. Ageing is not deterioration: the patina that forms increases character. Casati Milano offers consultation on seasonal strap rotation to optimise overall longevity.

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