11 Atmos · 39mm automatic skin diver
Orange dial

11 Atmos

Vintage-born. Modern-built.

Choose your dial
Foster 11 Atmos, Orange dial, front
Black dial

11 Atmos

Vintage-born. Modern-built.

Choose your dial
Foster 11 Atmos, Black dial, front
Foster Watch Co.

The 11 Atmos is Foster’s debut skin diver: a 39mm case, 48-click bezel, acrylic crystal and Miyota 90S5 movement. Each watch is inspected, tweaked and regulated in Eugene, Oregon.

Inspected and regulated in Eugene, Oregon
Design notes

Why it is the way it is.

Foster 11 Atmos, orange dial, bezel close-up
01

The bezel

One-piece black PVD steel with a 12-hour scale for a second time zone. 48 clicks, so each click is 15 minutes, turning either way.

Foster 11 Atmos, black dial, crystal and dial close-up
02

The crystal

Domed acrylic. It is warm, it bends the light at the edges, and a scratch polishes out with PolyWatch.

Foster 11 Atmos, case profile
03

The case

39mm wide, 48mm lug to lug, 12.1mm tall with the crystal, 316L stainless steel and recessed caseback.

Foster 11 Atmos, caseback
04

The movement

Miyota 90S5, no date, 4Hz, 42-hour power reserve. Regulated in Eugene before it ships.

Specs at a glance

The numbers.

39mm
Case width
48mm
Lug to lug
12.1mm
Height w/ crystal
20mm
Lug width
110m
Water resistance
Miyota 90S5
Automatic, no date
Case, crown, crystal, bezel, lume, movement and dimensions in full on the product page.Full specifications
Foster 11 Atmos, orange dial, on a desk
About Foster

A little golf.
A couple beers.

Foster began over post-golf beers in Eugene, Oregon. Everett Meadows knew watches. Christian Amondson knew online business. Together, they set out to make the 11 Atmos.

Read our story
The list

Keep in touch

Very occasional emails, plus first word on sales and promos.