WATCHMANIAさんのインスタグラム写真 - (WATCHMANIAInstagram)「IWC Big Pilot’s Ref.5002. Produced between 2002 and 2006, The first Big Pilot (46mm), simply nicknamed '5002' designed with many design cues from the original 55mm B-uhr. This is non-transitional model which has 2,5Hz movement.  Starting in late 2005 early 2006, IWC introduced the new calibre 51110 in the original big pilot with a higher 3Hz movement. This was for a brief period of time before the redesigned IW500401 was publicly released later in 2006. These 5002s with a higher-beat movement are called 'transitional' BPs. There is no known record of how many transitional BPs were manufactured. Various collectors believe 5002s with a serial number 314XXXX and higher are these 'transitional' BPs, however the only way to verify the movement is with time-lapse photography of the second hand movement. A Probus Scafusia marking on the crown (instead of the original fish) on a BP is not confirmation of a transitional BP because IWCs normally replace fish crowns BPs with Probus Scafusia crowns (unless specifically requested not to).」8月31日 19時21分 - watchmania

WATCHMANIAのインスタグラム(watchmania) - 8月31日 19時21分


IWC Big Pilot’s Ref.5002. Produced between 2002 and 2006, The first Big Pilot (46mm), simply nicknamed '5002' designed with many design cues from the original 55mm B-uhr. This is non-transitional model which has 2,5Hz movement.

Starting in late 2005 early 2006, IWC introduced the new calibre 51110 in the original big pilot with a higher 3Hz movement. This was for a brief period of time before the redesigned IW500401 was publicly released later in 2006. These 5002s with a higher-beat movement are called 'transitional' BPs. There is no known record of how many transitional BPs were manufactured. Various collectors believe 5002s with a serial number 314XXXX and higher are these 'transitional' BPs, however the only way to verify the movement is with time-lapse photography of the second hand movement. A Probus Scafusia marking on the crown (instead of the original fish) on a BP is not confirmation of a transitional BP because IWCs normally replace fish crowns BPs with Probus Scafusia crowns (unless specifically requested not to).


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