• 20mm Omega Seamaster 300m diver (not chronograph), both current and former versions.  
• Aqua Terra models with 20mm lug width.
• Omega Planet Ocean 42mm.
• Omega Railmaster models with 20mm lug width.  Please note: 

Please note:  There are variations in some Railmaster and Aqua Terra cases depending on the production year.  Forstner's end links will securely fit the Railmaster and Aqua Models with 20mm lugs despite these variations, but may not always be perfectly flush with the curvature of the lugs.  Product photos show the current generation Aqua Terra for reference, having a flush fit.  

For the vintage Seamaster 300m diver, choose the bracelet for the pre-2021 Omega Speedmaster.

DOES NOT FIT: Seamaster Chronograph, No Time to Die limited edition. 

Forstner's Model O is a traditional oyster-style bracelet that provides a classic yet sporty look to the Omega Seamaster 300M diver series.  With its fully brushed finish, taper to 16mm, spring link behind the clasp, and Forstner's push-button milled clasp, the bracelet provides an elegant, and extremely comfortable wearing experience. 

• Solid 316L stainless steel, including solid steel end piece.
• Classic oyster-style design with fully brushed finish.
• Links removable conveniently via a single-screw system.
• Single spring link behind the clasp.
• Milled push button clasp with fully brushed finishing (clasp includes 6 micro-adjustment holes).

• Tapers from 20mm at the widest bracelet link to 16mm at the clasp.
• Milled clasp measures approximately 18.5mm wide.
• Bracelet length is adjustable (via single screw system and micro-adjustment in clasp) from approximately 120mm to 180mm (fits wrists ranging from approximately 6 to 8 inches). Screwdriver included for sizing.

Fully brushed finish throughout. 

Spring bars, screwdriver, one pair of end links.