Coming back to the Steinhart idea as I'd be ok leaving that in the locker at the gym, the Explorer II less so.
Hence multiple watches.
Zenith GMTs may also be worth a look.
Annoyingly they have a really cool GMT Pilot, but it's the size of a grandfather clock.
@Dammit started
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Coming back to the Steinhart idea as I'd be ok leaving that in the locker at the gym, the Explorer II less so.