Technical Archive

Oris
Rectangular 01 561 7620 4064-07 5 16 72— lug 16mm

Oris Rectangular 01 561 7620 4064-07 5 16 72: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Rectangular Date 25.9 Stainless Steel / Black

Artisanal Note

"This model requires a precise 16mm lug width to preserve the original sartorial balance."

Technical Specifications

Oris 01 561 7620 4064-07 5 16 72
Lug Width
16 mm

The essential strap measurement.

Browse 16mm straps →
Reference

01 561 7620 4064-07 5 16 72

Movement

Oris caliber Oris 561 Hours, Minutes, Seconds | Date

The Heritage

The Oris Rectangular 01 561 7620 4064-07 5 16 72 is a refined interpretation of rectangular geometry in contemporary Swiss watchmaking, measuring 25.90mm. It features a stainless steel 316L case and houses the Oris caliber 561 automatic movement with hours, minutes, seconds and date display. The 16mm lug width preserves the case's proportions and is characteristic of compact, vintage-inspired watches.

FAQ

What is the lug width of the Oris Rectangular 01 561 7620 4064-07 5 16 72?

The lug width is 16mm. This measurement is critical for identifying compatible straps. Lug width is measured in millimetres between the two points where the strap attaches to the case, using a calliper positioned perpendicularly to the watch's axis.

Which strap is most suitable for the stainless steel Rectangular?

To preserve the Art Déco aesthetic, we recommend crocodile or alligator leather with fine grain in dark or cognac shades, or vegetable-tanned calf that develops patina over time. For daily versatility, a heavyweight cotton NATO or technical rubber of quality construction offers practicality. Choice depends on use case and personal preference for rigidity versus flexibility.

How do you change the strap on a 25.90mm Rectangular?

Strap replacement requires a spring bar remover tool. Position the watch on a stable surface, locate the small lateral hole beneath each lug, insert the tool gently to compress the internal spring, and slide out the used strap. Insert the new strap, confirming that both springs engage correctly. Avoid forcing to prevent damage to the lugs.

Are aftermarket 16mm straps compatible with the Rectangular?

Yes, provided they meet the 16mm standard measurement and their end links suit the case dimensions. Milano Straps offers a curated selection of 16mm straps specifically tested for compact watch proportions such as the Rectangular. We recommend verifying end link dimensions before purchase.

What is the typical lifespan of a natural leather strap on the Rectangular?

Durability depends on material quality and usage patterns. A well-crafted alligator or vegetable-tanned calf strap, worn regularly, maintains structural integrity for 3–5 years before replacement becomes necessary. Patina development and micro-creasing are natural and desirable. Exposure to perspiration, water, and UV radiation accelerates ageing. With proper care (periodic cleaning, drying) and seasonal rotation with alternate straps, longevity increases substantially.