the GWM5610-1! the classic gshock dw5600, updated with new hot tech (multi band 6 time correction, solar charging). The octagon form factor holds up incredibly well, although the side bevels that protect the studs from accidental presses give it a stopsign sort of look from some angles. my only gshock is a white 5600 with pink and blue accent text, but i have considered going for a solar model... i dont think i wear the chunkier watches in my collection enough to keep it reliably charged though. I wonder if the multiband stations adjust for daylight savings in the US? and when travelling outside of the US would any of the other 5 correct it back? definitely a great usecase for the radio correction tech. love it. i will say the classic gshock red-on-black accent and detailing is timeless, theres no better default colorway, i prefer it even over the blue of modern f91w design. it always reminds me of the vintage f87w and other true vintage casio designs, that gorgeous spedometer red. thanks for submitting!