Use Flow to get the running User's Time Zone offset from GMT – UnofficialSF
Greenwich Mean Time – GMT Time Zone
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Amazon.com: Stuhrling Original Men's Stainless Steel Triple Row Bracelet GMT Watch Quartz Dual Time, Quickset Date with Screw Down Crown Water Resistant up to 10 ATM : Clothing, Shoes & Jewelry
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ROLEX | GMT-MASTER II, REFERENCE 16700, A STAINLESS STEEL DUAL TIME ZONE WRISTWATCH WITH DATE AND BRACELET, CIRCA 1991 | Watches Weekly | Hong Kong | 2020 | Sotheby's
ROLEX | GMT-MASTER II, REFERENCE 16700, A STAINLESS STEEL DUAL TIME ZONE WRISTWATCH WITH DATE AND BRACELET, CIRCA 1991 | Watches Weekly | Hong Kong | 2020 | Sotheby's