EFR-S108D-2A

Features: 
Case: stainless steel
Bracelet: stainless steel
Dial: blue with hairline finish
Crystal: sapphire
Bezel: stainless steel
Movement: quartz
Crown: push/pull
Clasp: one-touch 3-fold
Case diameter: 44.8 mm x 39.9 mm (1.76 in. x 1.57 in.)
Case thickness: 7.8 mm (0.31 in.)
Water resistant: 100 m (328 ft.) 
Weight: 110 g
 

Functions: 
World Time: dual time
Coating: anti-reflective
Battery life: 3 years
Analog: 3 hands (hour, minute, second)
Date display
Compatible band size 150 to 205 mm
 
    
WS-1700H-1A 

Features:    
Case: resin
Bracelet: resin
Dial: black
Crystal: resin glass
Bezel: fixed
Movement: quartz
Crown: push/pull
Clasp: double-locking fold over 
Case diameter: 52.5 mm × 48.6 mm (2.06 in. x 1.91 in.)
Case thickness: 15.2 mm (0.59 in.)
Water resistant: 100 m (328 ft.)
Weight: 48 g

Functions:
World time: dual time    
Battery life: 10 years    
Date display
Band size: 145 to 215 mm
Lighting: LED backlight with 1.5 or 3 second duration
Light colour: amber
Mute feature: button operation tone on/off
Data: moon data/tide graph
Stopwatch: 1/100-second 
Timer: 24-hour countdown timer with auto-repeat
Alarm: 3 independent multi-function alarms with 1 snooze, hourly time signal
Calendar: full-auto