How does the world time works? Can it display one zone with the hands and another one with the display? Or is it a zone at a time?

Yes you can display two time zones at once. The hands will always display your selected home time zone and then you can also show any other time zone on the little lcd screen digitally as well. Also very easy to scroll through all time zones on the screen

how long did it take for delivery in the US?

2-3 days if I remember correctly. EMS service is extremely reliable if that’s how shipped.

Does “Japan import” mean it was manufactured - including case - in Japan?

The movement is made in japan but the watch itself is built in thailand.

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We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

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WE SOURCE ITEMS FROM

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Our Other Brands:Hewyn|Selfship

Description

⌚ Elevate your wrist game with the unstoppable G-SHOCK Carbon Core Guard!

SLEEK YET STURDY - Lightweight resin band and mineral glass combine style with everyday comfort and resilience.
GLOBAL TIME MASTERY - Seamlessly track 31 time zones including 48 cities for the jet-setting professional.
DIVE READY DURABILITY - 200-meter water resistance means you’re ready for any adventure, rain or shine.
UNBREAKABLE CARBON CORE - Revolutionary Carbon Core Guard structure ensures ultimate shock resistance and durability.
EFFORTLESS FUNCTIONALITY - Integrated stopwatch, timer, calendar, and world time swapping keep you ahead of schedule.

The G-SHOCK CASIO GA-2100-1AJF is a Japanese Domestic Market men’s watch featuring a cutting-edge Carbon Core Guard structure for shock resistance, 200-meter water resistance, and world time across 31 time zones. Lightweight yet durable with a resin band and mineral glass, it blends classic style with futuristic toughness, perfect for professionals who demand reliability and global connectivity.

Specifications

ASIN	B07VHSBR4J
Batteries	1 CR2 batteries required. (included)
Customer Reviews	4.6 4.6 out of 5 stars (1,282)
Date First Available	10 January 2020
Department	mens
Item Dimensions LxWxH	24.9 x 4.5 x 1 Centimeters
Item Weight	51 g
Item model number	GA-2100-1AJF
Manufacturer	Casio
Product Dimensions	24.9 x 4.5 x 1 cm; 51 g

Reviews

S**N

Perfect everyday watch

22.11.2025

C**E

Perfecto

Tras un año de uso, es el reloj que más ocupó y es muy cómodo, el diseño me parece perfecto, casual y deportivo, clásico y futurista.

19.07.2024

J**E

Good watch

6.09.2023

B**I

Son loves it!!

13.12.2025

勤**卿

良すぎる

めちゃ良いです。超おすすめ！平たく軽いので、普段使いに素晴らしく持ってこいです。仕事でも使えます。なによりバチボコにかっこいい！！！

26.02.2026

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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5 days ago

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