Audemars Piguet Royal Oak Offshore Chrono all Steel Ref.25721ST

Complications complicate matters but which do you like?
Some are pretty useless though of course as y'all know, I chrono pushers.Which complications would you say though were pretty redundant but were worthwhile having? Hence while they serve no real purpose, they add to the looks of the watch.I like Power Reserves and this was a favourite. Sadly the black dial is discontinued

The Evolution of Longines' Automatic calibers, part 4
1960: the 340variants:* all were produced with direct center sweep seconds with twin 3rd wheels340 - 17 jewels (1960)341 - 17 jewels / date (1961)342 - 17 jewels / variation to the milling of the gear train bridge (1963)343 - 17 jewels / larger date than the 341 / variation to the milling of the gear train bridge (1963)345 - 17 jewels / modified date mechanism (1965)non-magnetic19,800 bph / 44 hour power reserve27.0 mm diameter x 4.45 mm height (340 & 342) / 27.0 mm diameter x 4.6 mm height (341) / 27.0 mm diameter x 5.1 mm height (343 & 345) balance wheel:3 spoke glucydur with no screws350 series = 10.34 mm diameterKif shock protectioneccentric rotor with ball bearings around pivotThis is the culmination of Longines lessons in building automatics. It combined a decent finish with great durability and accuracy. They finally figured a way around Eterna's patent on a ball bearing rotor which made a very efficient system. The only issue was the wear of the bearings - if they we

Vintage Men's Harvel Self-O-Matic Wristwatch. Yes/No opinion?
Thinking of getting this for (what I think) is a low price.Seller says it's possibly a military watch, radium on the hands but it doesn't glow anymore. He also says it run and keeps good time.Is it worth getting, and maybe cleaning up?

AP 5402 future investment piece
Where do you see an AP 5402 in terms of future value? Likely to increase or decrease in value? Seems to me that compared to a 3700 Nautilus the 5402 is an absolute bargain ¨C And the original Genta design¡­I am contemplating letting a few pieces go to get my hands on one. Not too worried about the caliber or anything as these have been around for +40 years and are still being used in the 15202 to this day¡­.Just like to hear people in the AP games opinion on these watches?

UK AD Discount
Hi all,Do any of you (in the UK) have experience of a discount on Breitling at ADSome great looking watches, in my opinion, but struggle to pay Rolex prices at Breitling, given how much it will depreciate as soon as I leave the shop. I would also add, I am buying to keep, and wear, not flip.Thanks, in advance