G-Shock G9100-1From G Shock the watch that delivers the ultimate in modern personal timekeeping comes the GULFMAN. A model that packs powerful features and functions into a tough rust resistant configuration. All external metal parts including screws back cover buckle and even button shafts are made of titanium alloy for total protection even in seawater environments. The band is secured to the case by milled titanium alloy screws while the form of the forged

100 METER / 10 ATM

Double LED light LED light for the face (Full auto LED light

provides plenty of support for surfers who meet new challenges around the globe

Others: target time alarm

auto/manual lap times

Auto light switch selectable illumination duration afterglow

From G-SHOCK the watch brand that is constantly setting new standards for timekeeping toughness comes G-STEEL a watch series with a new "layer guard structure"

Engineered for a minimal profile with maximum performance

Measuring mode: split time

You can use the app to enable or disable modes individually so only enabled modes appear

battery life: 2 years on SR927W × 2

calories burned)