Accuracy
±30 seconds per month (average)
Glass
Sapphire glass
Supported OS
iOS 9 or later, Android 5.0 or later
Display
Flexible active-matrix electronic paper, gray scale
Band material
Surface:Silicon, Back surface:Polyurethane elastomer
Case surface treatment
Ion plating
Color
Premium Black 1
Case material
SUS316
Maximum patterns to store
24
Internal battery
Lithium-ion battery
Charging time
Approx. 2.5 hours
Operation temperature
5℃ to 35℃ (41°F to 95°F)
Bluetooth
Version:Bluetooth Specification version 4.1 Low Energy complaint, Compatible profile:Sony original profile
Case diameter
43 mm (1.7 in)
Made in
JAPAN
Waterproof
IPX5/IPX7(equivalent to JIS waterproof grade JIS C0920) Watch only
Continuous operation time
Approx. 2 weeks 2
Band width
23.5 mm (0.93 in)
Case thickness
12 mm (0.47 in)
Mass
75 g(2.64 oz)(watch) , 80 g(2.82 oz)(charging cradle) 3
  • FES Watch U(1), Charging cradle(1), Micro USB cable(1), Startup Guide(1), Reference Guide(1), Warranty(1) 4