Does anyone ( presumably Eddie does ) know if the drilled lug holes on Eddie's watches have a standard size and if so what is it?

The PRS-25, PRS-18, PRS-50 all seem have similar looking holes, smaller than Seiko/Rolex ones, maybe the same size that Marathon SAR uses? The SARs shoulderless spring bars are 0.8mm at the ends and extend well into the holes. Are Eddie's the same or do the holes just allow for easy strap changes without allowing some ( what size? ) shoulderless bars to extend through them?

regards

siggy