My guess would be ‘01. Many people don’t realize that you have to AC the movement when swapping batteries.
My mistake. It’s been over ten years since I collected this caliber. They are a great chrono but are a little quirky.I did a web search, which I should’ve done in the first place, and it appears the production ran from 1988 to either 2001 or 2002. Here are a couple of relevant links:
Just posted this on the other side and thought I'd repeat myself for the none dark-siders and hard of hearing. Just a bit of noise about my first real 'collection', before I became a vintage Omega addict collector! When I got into collecting watches I wanted to focus on something interesting, not...www.thewatchforum.co.uk