Free U.S. shipping — no minimumSame-day dispatch from LA (in stock, by 6 PM PT, Mon–Fri)Ships to Canada — $35 flat rate14-day returnsApple Pay · Amazon Pay · Link · Cash App Pay (U.S.)Pay over time with KlarnaVisa · Mastercard · Amex · Discover · CryptoFit help from real peopleFree U.S. shipping — no minimumSame-day dispatch from LA (in stock, by 6 PM PT, Mon–Fri)Ships to Canada — $35 flat rate14-day returnsApple Pay · Amazon Pay · Link · Cash App Pay (U.S.)Pay over time with KlarnaVisa · Mastercard · Amex · Discover · CryptoFit help from real peopleFree U.S. shipping — no minimumSame-day dispatch from LA (in stock, by 6 PM PT, Mon–Fri)Ships to Canada — $35 flat rate14-day returnsApple Pay · Amazon Pay · Link · Cash App Pay (U.S.)Pay over time with KlarnaVisa · Mastercard · Amex · Discover · CryptoFit help from real peopleFree U.S. shipping — no minimumSame-day dispatch from LA (in stock, by 6 PM PT, Mon–Fri)Ships to Canada — $35 flat rate14-day returnsApple Pay · Amazon Pay · Link · Cash App Pay (U.S.)Pay over time with KlarnaVisa · Mastercard · Amex · Discover · CryptoFit help from real people

4 piecesfrom $200

GM-2100

The octagon in metal. The GM-2100 pairs the GA-2100 silhouette with a steel bezel that catches the light.

4 products in GM-2100

GM-2100
G-SHOCK GM-2100 — Silver
Black / Silver
$200
GM-2100
G-SHOCK GM-2100 — Black
Black
$200
GM-2100
G-SHOCK GM-2100 — Nav
Black / Multicolor / Silver
$200
GM-2100
G-SHOCK GM-2100 — Hive
Black / Silver
$200

Stock GM-2100 · Casio specs

The G-SHOCK GM-2100 is the octagonal GA-2100 with a forged stainless steel bezel, weighing 72 g and measuring 11.8 mm thick.

Full GM-2100 guide

Case size: 49.3 × 44.4 × 11.8 mm
Weight (stock): 72 g (2.5 oz)
Water resistance (stock): 200 m / 20 bar
Power: 3-year battery
Module: 5611

Figures describe Casio's stock model; custom builds can differ in finish, materials and water resistance.