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woodwkr2
路Thought I'd get this started in an effort to catalog all of the different styles of chronograph pushers that Universal has used over the years.
I am aware of several different style pushers. I'd propose the following terminology to discuss them:
1) Large mushroom pushers
2) Small mushroom pushers
3) Small, non-waterproof mushroom pushers
4) Sharp edged mushroom pushers
5) Flat pushers
6) Oval pushers
7) Flat, rounded pushers
8) Rubber pushers (Space Compax)
9) Experimental
10) Large, pointed mushroom pushers
I'll point them out below.
Above we see examples of the Flat pusher (#76 and #73), Large Mushroom pusher (#75 and #77), and Small Mushroom pusher (#74).
These pictures come from the Antiquorum Universal brand auction. Interestingly, the auction note for #74 (and other small mushroom pushers on this style case) states: "This model bears small round push-buttons and was made in few examples".
Here I'll ask you to note a very subtle distinction: the Sharp edged mushroom pushers in #55 and #57 (and presumably in #56 too, before the edges were rounded with use in the softer, gold metal).
Here's an example of the oval pusher, which is typically seen on earlier period chronographs.
Here we have a #141, which the auction notes described as "Unusual stainless steel prototype of a gentleman's wristwatch with fancy button chronograph, registers and tachometer. I'm calling these "experimental" pushers. We also have the rubber pushers in the Space Compax (#142 and #143), and Large Mushroom pushers in #144.
Here we have a Flat, rounded pusher that is sometimes seen beginning with the very recent Universals from the 1990s to present.
We have this example from Sala, showing the Small, Non-Waterproof Mushroom pushers. This style is seldom seen and appears as a transitional variation between the flat pushers with snap backs (both were non-waterproof) to the waterproof mushroom pushers with screw down case backs.
Finally, we have this example of the Large, Pointed Mushroom Pushers, here seen on the rare, non-screw down waterproof caseback models.
I am aware of several different style pushers. I'd propose the following terminology to discuss them:
1) Large mushroom pushers
2) Small mushroom pushers
3) Small, non-waterproof mushroom pushers
4) Sharp edged mushroom pushers
5) Flat pushers
6) Oval pushers
7) Flat, rounded pushers
8) Rubber pushers (Space Compax)
9) Experimental
10) Large, pointed mushroom pushers
I'll point them out below.
Above we see examples of the Flat pusher (#76 and #73), Large Mushroom pusher (#75 and #77), and Small Mushroom pusher (#74).
These pictures come from the Antiquorum Universal brand auction. Interestingly, the auction note for #74 (and other small mushroom pushers on this style case) states: "This model bears small round push-buttons and was made in few examples".
Here I'll ask you to note a very subtle distinction: the Sharp edged mushroom pushers in #55 and #57 (and presumably in #56 too, before the edges were rounded with use in the softer, gold metal).
Here's an example of the oval pusher, which is typically seen on earlier period chronographs.
Here we have a #141, which the auction notes described as "Unusual stainless steel prototype of a gentleman's wristwatch with fancy button chronograph, registers and tachometer. I'm calling these "experimental" pushers. We also have the rubber pushers in the Space Compax (#142 and #143), and Large Mushroom pushers in #144.
Here we have a Flat, rounded pusher that is sometimes seen beginning with the very recent Universals from the 1990s to present.
We have this example from Sala, showing the Small, Non-Waterproof Mushroom pushers. This style is seldom seen and appears as a transitional variation between the flat pushers with snap backs (both were non-waterproof) to the waterproof mushroom pushers with screw down case backs.
Finally, we have this example of the Large, Pointed Mushroom Pushers, here seen on the rare, non-screw down waterproof caseback models.
