Technical Archive

Mido
Ocean Star M026.830.18.091.00— lug 21mm

Mido Ocean Star M026.830.18.091.00: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Ocean Star Tribute Stainless Steel / Green

Artisanal Note

"This model requires a precise 21mm lug width to preserve the original sartorial balance."

Technical Specifications

Mido M026.830.18.091.00
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

M026.830.18.091.00

Movement

ETA caliber C07.621 Hours, Minutes, Seconds | Date, Day

The Heritage

The Ocean Star represents Mido's dive watch collection, equipped with an ETA caliber C07.621 movement that offers indication of hours, minutes, seconds, date and day of the week. The model features 21mm lugs and a construction oriented for underwater use. The reference M026.830.18.091.00 identifies this specific configuration of the Ocean Star line.

FAQ

What is the lug width of the Mido Ocean Star M026.830.18.091.00?

The lug width of the Mido Ocean Star M026.830.18.091.00 is 21 millimetres. This measurement is taken by placing a calliper between the inner pins of the upper and lower lugs. Precise measurement is essential to select the correct strap and eliminate any compatibility issues.

What is the best strap for the Ocean Star M026.830.18.091.00?

The ideal strap depends on usage and aesthetic preference. For a formal-sporting context, we recommend dark brown alligator or vegetable-tanned calf leather with a deployante clasp. For more versatile use and humidity resistance, vulcanised rubber in charcoal grey or marine-tone NATO are excellent choices. Bespoke craftsmanship at Casati Milano allows creation of a strap that perfectly enhances the character of this diver.

How do you change the strap on the Mido Ocean Star M026.830.18.091.00?

Changing the strap requires a dedicated spring bar tool and a few minutes of attention. Position the watch on a soft surface, insert the tool into the small spring bar hole at one end of the lug, release pressure, remove the pin, take off the old strap. Repeat on the opposite side. Insert the new strap, align the holes, reinstall the pin, verify the fitting. If uncertain, the Casati Milano atelier offers professional assistance.

Are aftermarket straps compatible with the M026.830.18.091.00?

Yes, provided the lug width is exactly 21 millimetres. Artisanal straps from milanostraps.it, crafted in leather, alligator, shell cordovan and rubber, are specifically designed for this measurement and tested for compatibility. Always verify that the strap is labelled for 21mm to avoid incongruities.

What is the average lifespan of a leather strap for this watch?

A high-quality artisanal leather strap, with vegetable tanning and crafted from noble leathers such as alligator or shell cordovan, has a lifespan of 3–5 years with regular use and appropriate maintenance. Longevity depends on UV exposure, humidity and frequency of wear. Casati Milano recommends periodic cleaning with a slightly dampened cloth and, occasionally, application of specialist leather balm. Replacement at the atelier is simple and swift.