Casio Royale World Time $44.99, Casio Grey W218HC $40.99, G-Shock Solar $135 + Del ($0 Prime/ $59+) @ Amazon AU

Casio Royale Black AE-1200WH-1A… $44.99 + $7.99 Delivery ($0 Prime & $59+) Camel

• Crystal/Lens - Acrylic
• Case Width - 39.5mm
• Lug Width - 18mm
• Case Thickness - 12.5mm
• World time = 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
• Multifunction dial with stopwatch, countdown timer
• Five daily alarms. Hourly time signal and LED light with afterglow
• Full auto-calendar (to year 2099)
• Approx. battery life: 10 years on CR2025
• Water resistant 100 Metres - In general, suitable for swimming and snorkeling, but not scuba diving

Random Rob Review
This watch has a bit of a following on Watchuseek
Watchuseek Mini Video Review
Casio Website

Kranio SS Case Mod Links
Casio World Time Metal Case (Kranio Design)
Stainless Steel Casio Royale AE-1200 Mod - Watching Casio
Kranio Design - IG FB

Casio Grey W218HC-2A (resin lens)… $40.99
Casio G-Shock Classic Solar G-5600UE-1DR… $135.00

Casio F91W-1 $22.50, Casio A158WA-1 $27.99, Calc Watch $33.05 + Delivery ($0 with Prime/ $59 Spend) @ Amazon AU