koruki
macrumors 65816
Many people think this will happen, but it won't. Not because Apple "never does anything differently" as the comment above mine suggests sarcastically, but because it makes zero sense from a business perspective.
Apple will focus on getting people to purchase their new watches with the newest features, not limiting their future design flexibility nor wasting money and Apple Store resources for an "internal swap" program just to keep old watches in circulation for as long as possible. Apple has too much to gain from getting everyone to have the latest product.
Yes Apple is a business but lets take a fair perspective here. How many watches in the market even let you upgrade? How many smart phones on the market ever let you upgrade? Now considering this is a watch/smartphone device, wouldn't it make any less sense to upgrade. If Apple wanted to be silly they could offer upgrades that cost as much as buying new. Not a surprise when you consider the inefficiency of disassembling it, doing the part swaps, and reassembling.
It also limits any design changes to the device too.