Both batteries replaced about a month ago, and should last 3 more years.
The Casio G-Shock GA-400 is an analog-digital watch featuring a 55 × 51.9 × 18.3 mm resin case, 70g weight, 200-meter water resistance, and a 3-year battery life with two SR927W batteries. Key features include shock and magnetic resistance, a prominent rotary switch for function control, an LED light, world time, a stopwatch, a countdown timer, and five daily alarms.
Key Specifications
Case Size: 55 × 51.9 × 18.3 mm
Weight: 70g
Case & Bezel Material: Resin
Band Material: Resin
Glass Type: Mineral Glass
Construction: Shock Resistant
Water Resistance: 200-meter
Power Supply: 2 × SR927W batteries
Battery Life: Approx. 3 years
Key Features
Display: Analog-Digital with Hour, minute, second, AM/PM, month, date, and day indicators
Illumination: LED light with selectable illumination duration (1.5 or 3 seconds) and auto light switch function
World Time: 31 time zones (48 cities + UTC) with one-touch UTC access and Home/World time city swapping
Stopwatch: Measures elapsed time, split time, and elapsed time
Countdown Timer: 1-minute to 60-minute countdowns, with auto-switching to elapsed time mode
Alarms: 5 daily alarms, with one snooze alarm
Other Features: Magnetic Resistance, full auto-calendar, 12/24-hour format, and button operation tone on/off
*** Cash Only. - No Venmo, CashApp, Paypal, etc.. ***
I can meet up by Cal State San Bernardino (CSUSB).