It’s much closer to a JP in terms of thick/thinness than a Cutlass. The shape is closer to the Cutlass on the upper frets, no hint of a V on the Sabre. I find the shape comfortable, even compared to my JP6 which I sometimes feel is too thin on the edges. If you’re hoping it’s a dual humbucker Cutlass, it’s close, but not exact. Additionally, the thickness of the heel joint+ thickness of the neck at the body is slightly deeper than a Cutlass (which may or may not matter to you).
As far as comfort goes, also realize there isn’t an arm contour like the Cutlass or Stingray, but the slightly arched/angled top helps with forearm comfort.
JP6 Pearl White born 1/11/11
Majesty Monarchy Imperial Blue born 1/23/18
Cutlass SSS Starry night born 2/6/17
Bongo 5 HS Starry Night born 12/16/16
Some other guitars
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