NOS 1960’s JACQUES MONNAT [Swiss] Chronograph 20ATU Diver – Landeron Cal. 248


Out of stock

From the 1960’s a new old stock Jacques Monnat 20ATU World Cities/GMT chronograph that has been professionally inspected in-house here at the Localtime Spa.

The large Aquastar-style stainless steel case houses a Landeron Cal. 248 and measures in at 38.25mm or 42.25mm including the oversize screw-in crown. Unlike its brother [listed separately] with the diver bezel, this one has a World-Cities/GMT bezel. The silver/grey dial is stunning. The caseback still has its original sticker and that is what you see in the photos. It is wearing one of my own handmade premium calf leather straps in olive green with natural stitching, that suits the silver/grey dial and silver applied indices/logo very nicely. I have included many photos, including some closeup snapshots I took just for fun, but also to allow you to enjoy the lovely details of this fine timepiece.

As with all the watches I inspect in-house here at the Localtime Spa, the BIN price includes a written 3-month written warrantee from the date of purchase. Feel free to contact me for whatever questions you might have.

EXTRA! Check out my own Localtime straps: Handmade from premium calf leather to my own specifications in Italy, they come in 5 sizes [lug width/buckle width]: 18/16, 19/16, 20/16, 21/18 and 22/18mm & 8 colours: tan, brown, dark brown, black, cinnamon brown, olive green, denim blue and grey blue. I sell these separately in my eBay store under eBay item number 401105271426.


Jacques Monnat [Swiss]

Production Period



20ATU Diver/Aviator Chronograph


Time, Chronograph, Tachymeter, Telemeter, GMT Bezel




Landeron Cal. 248

Case Material

Stainless Steel

Case Back

Stainless Steel

Case Size

38.25mm case, 42.25mm including crown at 3h

Lug Width



NOS – Working With Warrantee

Last Known Service

Inspected by Localtime – November 2016


Free Worldwide


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