Great Watch !
Any chance you have the detail description of the process.
Why a MBW case ? How did you fix cown position ? Did you cut the chrono pusher ?
enjoy,
This DW mystery movement is very similar to a venus 150 movement.
Venus 150
Features
manual-wind chronograph, 60s, 30/45 min, pillar wheel sub second
13''', Dm= 29mm, H= 5.7mm; 17 jewels; f = 18000 A/h; power reserve 44h
Re-dial, Gen case (16200), movement ETA 2846, aftermarket Tropic 22 crystal in bad shape, gen crown and tube, Tudor hands
next:
gen dial
lug-holes need drilling to take 2mm springbars
gen 78360 with 580 endlinks