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When newer 126500 was launched, i found it really nice, so have plan to build one, as i have several gen parts, Hands set, crystal, pushers/crown/tube, 4130 original parts too, my first idea was to buy the best looking one, according to Andrew or Clean or Qf, by looking closer i choose this Qf
Dial looking better than clean, bezel quite same than the clean one. When watch arrived was looking good, case shape and edges good too, just band and clasp was not so good, was expecting better, anyway i planned my project like this
original Pushers/crown/tube
Crystal gen
Hands gen
movement SH 4131 service and improve with gen parts Balance wheel/bridge/pallet fork/escape wheel/setting level/chrono bridge/upper automatic bridge/ all screw gen/ chrono arms too.
But as there is always a « but » when i dismantled the SH have a bad surprise, a step behind regarding these 4130 from noob, technically SH4131 was too far from genuine to even thing of swapping original parts in, so have to change my mind, hopefully have one genuine 4130 that was there, not planned initially to use it for this built, but there and better use it than let it in a box.
Not a fresh service one but good enough for my built, differences between 4130 and 4131 are not so much, balance bridge/pallet fork/escape wheel/3 jewels that really don’t care about as 4130 are working really good without/o bridge/upper automatic module and oscillating mass.
so i turned a gen 4130 into 4131, easy to be done, the most difficult was to find all necessary genuine 4131 parts, some adjustments to be done here and there most on jewel 4131 chrono bridge for second wheel and clutch wheel, seems 4141 train wheel bridge is a little bit different than 4130 one maybe regarding jewel they add on it, don’t know but had to adjust them, made a good servicing, change some screws by newer one, and perfect, see pics,
timegrapher full wind movement,
Back sides/front side
Dial/case/bezel rep, display case back is a titanium grade 5, rest of the watch is genuine. one of my daily better.
Dial looking better than clean, bezel quite same than the clean one. When watch arrived was looking good, case shape and edges good too, just band and clasp was not so good, was expecting better, anyway i planned my project like this
original Pushers/crown/tube
Crystal gen
Hands gen
movement SH 4131 service and improve with gen parts Balance wheel/bridge/pallet fork/escape wheel/setting level/chrono bridge/upper automatic bridge/ all screw gen/ chrono arms too.
But as there is always a « but » when i dismantled the SH have a bad surprise, a step behind regarding these 4130 from noob, technically SH4131 was too far from genuine to even thing of swapping original parts in, so have to change my mind, hopefully have one genuine 4130 that was there, not planned initially to use it for this built, but there and better use it than let it in a box.
Not a fresh service one but good enough for my built, differences between 4130 and 4131 are not so much, balance bridge/pallet fork/escape wheel/3 jewels that really don’t care about as 4130 are working really good without/o bridge/upper automatic module and oscillating mass.
so i turned a gen 4130 into 4131, easy to be done, the most difficult was to find all necessary genuine 4131 parts, some adjustments to be done here and there most on jewel 4131 chrono bridge for second wheel and clutch wheel, seems 4141 train wheel bridge is a little bit different than 4130 one maybe regarding jewel they add on it, don’t know but had to adjust them, made a good servicing, change some screws by newer one, and perfect, see pics,
timegrapher full wind movement,
Back sides/front side
Dial/case/bezel rep, display case back is a titanium grade 5, rest of the watch is genuine. one of my daily better.
