Tailors of Distinction - Whether they are are functional or not, a suit jacket will have buttons on the sleeve. A suit jacket with sleeve buttons that come undone (surgeons cuffs) is
Suit Jacket Sleeve Buttons: Numbers and Styles - Suits Expert
Sleeve Buttons - Break uniformity without being flashy
Fabric–covered sleeve buttons of a bespoke dinner jacket
Jacket Cuff Button Styles – Bond Suits
Mens Long Sleeve Tuxedo Shirt
Tuxedo Suit Button 15pc Set (Fits Most Formalwear) Includes 4 Jacket Front Buttons (19mm or 3/4 Inch) and 11 Sleeve and Pant Buttons (15mm or 5/8 ...
Buttonmode Tuxedo Suit Buttons, Black Smooth Satin, 15mm and 19mm (0.59 and 0.75 inch) 15-Buttons (11 Small, 4 Large)
Suit Jacket Sleeve Buttons: Number & Styles
Suit Buttons: Everything You Need to Know - Hockerty
Jacket Cuff Button Styles – Bond Suits
Suit Jacket Sleeve Buttons: Number & Styles
Amazon.com: ButtonMode Tuxedo Suit Button 15pc Set (Fits Most Formalwear) Includes 4 Jacket Front Buttons (19mm or 3/4 Inch) and 11 Sleeve and Pant Buttons (15mm or 5/8 Inch), Black Satin Smooth, 15-Buttons
Suit sleeve buttons – TOC Fashion Academy
Suit Buttons: Everything You Need to Know - Hockerty
Why are there 4 buttons on suit sleeves? - Quora
Brooks Brothers Regent-Fit Wool Tuxedo Jacket
Suit Jacket Sleeve Buttons: Numbers and Styles - Suits Expert
Why are there buttons on suit jacket sleeves? Here's what they are for