Technical Archive

SevenFriday
P-Series P3/03— lug 28mm

SevenFriday P-Series P3/03: 28mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Artisanal Note

"This model requires a precise 28mm lug width to preserve the original sartorial balance."

Lug Width

28 mm

The essential strap measurement.

Browse 28mm straps →

Reference

P3/03

Movement

Miyota caliber 82S7 Additional 24 Hour Hand (fixed), Small Seconds, Hours, Minutes

The Heritage

The SevenFriday P3/03 belongs to the P-Series of the brand and features the automatic Miyota 82S7 caliber. The watch displays hours, minutes, small seconds and a fixed 24-hour hand. The lugs measure 28mm in width.

FAQ

What is the lug width of the SevenFriday P-Series P3/03?

The SevenFriday P3/03 features a lug width of 28mm. This measurement is taken from the inner edge of the left spring bar to the inner edge of the right spring bar using a digital calliper. The 28mm dimension is a versatile standard that accommodates substantial artisanal straps, perfect for complementing the proportions of the 47mm case.

Which strap is most suitable for the SevenFriday P3/03?

Vegetable-tanned alligator represents the most sophisticated choice: its natural grain contrasts elegantly with the case's industrial aesthetic. For versatility, black vitello with vegetable tanning delivers impeccable visual clarity. NATO cordura straps provide sportive functionality, whilst structured rubber in monochromatic black creates refined coherence ideal for professional environments.

How do you change the strap on a SevenFriday P3/03?

Remove the watch from your wrist and locate the horizontal spring bars passing through the lugs. Using a spring bar tool, apply gentle upward pressure to the left bar to release it from its seat. Repeat on the right side. Position the new strap by aligning the spring bars with the lug holes, then press firmly until you hear a click. Verify both bars are fully seated before wearing.

Which aftermarket straps are compatible with the P3/03?

Any strap with a 28mm lug width is compatible. Milano Straps offers a complete collection of artisanal leathers: alligatore, vegetable-tanned calf, shell cordovan, cordura NATO, and marine-grade rubbers. Every strap is made-to-order with customisation options in colour, stitching thread, and closure type—buckle, deployant clasp, or pin.

What is the typical lifespan of a vegetable-tanned leather strap?

A strap crafted from vegetable-tanned leather, with regular maintenance (monthly cleaning with a damp cloth, quarterly conditioning with vegetable wax), retains structural integrity for 3–5 years of daily wear. The patina developing over time represents an aesthetic asset, not a defect. Structured rubber and cordura NATO straps exceed 5–7 years without significant deterioration, thanks to the material's inherent durability.