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Today I'm wearing a Casio MDV102. Apparently it's a fairly rare model and often sells for over $100 on the Bay. Picked mine up at a pawn shop for $5

Never used brass tweezers in my 30 years as a watch/clockmaker. I always used Dumont tweezers Antimagnetic Stainless Steel

Many people use brass or nickel tweezers for pretty much all work except where finer or more specialized tweezers are necessary. Most professionals I know use brass/nickel for majority of their work. Not only are they less prone to mark parts, they are very easy and quick to dress, and being slightly soft compared to steel, they tend to hold parts better without them flying away.

Thank you, I also think clearance might be the problem. No spacer under the dial, I always thought it was like optional, I will check that. Thank you.

Hi I Have attached the tech sheet for the BFG 866 for your interest 2529_BFG 866,866.31.7 (1).pdf

I put this one on earlier as I was going out in the rain Sent from my iPad using Tapatalk Pro

I’m definitely a hobbyist hack, so keep that in mind, I find myself grabbing my brass tweezers more often than anything else. Sent from my iPhone using Tapatalk

Welcome here. One can't go wrong with the blessing of the wife and a son producing the breakages.

Hi Mick find attached three of the tech sheets.... cheers 3877_Seiko 6119C.pdf 3106_Seiko 6119A.pdf 599_Seiko7019A.pdf

With the movement out of the case I would first check that the stem pieces do actually clip together correctly. This might be easier by removing the female part of the stem from the movement and holding it in a vice whilst you then apply the male part of the stem with crown. Do they clip together as expected? Yes? Now put the female part of the stem back in the movement; check it is properly engaged / secured before proceeding. Now place the movement in the case. Look along the case tube ... is the stem nice and central? Put the case flat on your workbench and try engaging the male part of the stem with crown. You must push evenly along the axis of the stem; do not push at an angle. What happens?

A Seiko 5, they don't use "case back washers", may be you mean a movement ring? https://www.ebay.com/itm/Seiko-7009-Movement-Holder-Ring-8310-0984-/113902446346

Lately I have been turning up a few lorsa p75 powered watches. This four dollar example is running about 5 seconds fast at about 315 degrees rotation at .1ms beat error.. after CLA..hard to argue with

Most esteemed friends...I present to you my Mumbai Homage. Old amphibia case with 2209 movement. A glorious fake dial glued in place. However, unlike most fakes you will find the 200 meter rating is legitimate. I am sorry..I just had to.

Hi Looks like an BFG 866 Have a cloce look under the balance for the calibre number and makers name

Hi to answer that one I would put it to nicklesilver he has the experience working in the industry and would know the proceedures.

With roller coaster, I technically mean reverse proportional way of inserting.