Specifications
Display
Flexible active-matrix electronic paper, gray scale
Operating temperature
5 °C to 35 °C (41 °F to 95 °F)
Internal battery
Lithium-ion battery
Waterproof
IPX5/IPX7 (equivalent to JIS waterproof grade JIS C0920) (watch only)
Mass
75 g (2.64 oz) (watch), 80 g (2.82 oz) (charging cradle)
Case diameter
43 mm (1.7 in)
Case thickness
12 mm (0.47 in)
Band width
23.5 mm (0.93 in)
Case material
SUS316
Case surface treatment
Ion plating (FES-WA1: Premium Black), none (FES-WA1: Silver/White*1, FES-WB1: Gray*1)
Glass
Sapphire glass (FES-WA1: Premium Black), mineral glass (FES-WA1: Silver/White*1, FES-WB1: Gray*1)
Band material
Surface: Silicon, Back surface: Polyurethane elastomer
Accuracy
±30 seconds per month (average)
Continuous operation time
Approx. 2 weeks*2
Charging time
Approx. 2.5 hours
Supported OS
Check the supported operating systems on the support homepage below.
https://fashion-entertainments.com/fes-watch-u/support/device.html
Maximum patterns to store
24
Bluetooth
Version: Bluetooth Specification version 4.1 Low Energy compliant
Compatible profile: Sony original profile
*1White and gray models may not be available depending on your country/region.
*2The continuous operation time when the pattern is changed once a day, a pattern is added once a day, and the time is displayed 25 times a day based on the normal mode in which the time appears when the button is pressed. The continuous operation time may be shortened depending on usage conditions.
Design and specifications are subject to change without notice.
