Release year:   2019
Network: GPS or GPS + Cellular (LTE/4G)
Material: Aluminum - Glass front, ceramic/sapphire glass back, aluminum frame
Stainless steel - Glass front (Sapphire glass), ceramic/sapphire glass back, stainless steel frame
Screen:

40 mm
1,57” Retina LTPO OLED, 1000 nits (peak)
394 x 324 pixels (~326 ppi density)
Ion-X reinforced glass

45 mm
1,78” Retina LTPO OLED, 1000 nits (peak)
448 x 368 pixels (~326 ppi density)
Ion-X reinforced glass

Processor: Apple S5
Dual core
PowerVR
Remind: 32GB 1GB RAM
Bacteria: Li-Po 296 mAh (1,13 Wh), non-removable
Wireless
Other:

Accelerometer, gyro, heart rate, barometer, compass
802.11 Wi-Fi b / g / n
Bluetooth 5.0
NFC
eSIM

Measure: 40mm – 4cm x 3,4cm x 1,07cm
44mm – 4,4cm x 3,8cm x 1,07cm
Weight: Aluminium
40mm - 30g
44mm - 36,7g

Stainless steel
40mm - 39,8g
44mm - 47,8g