Side by side
Casio EFR-539DvsSeiko Astron
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
EFR-539D49.5mm
Astron44.1mm
Power Reserve
EFR-539D—
Astron—
Water Resistance
EFR-539D100m
Astron100m
MSRP
EFR-539D$155
Astron$3,100
Full specifications
Case
6 specsDiameter
49.5mm
44.1mm
Thickness
11.7mm
14.4mm
Lug-to-Lug
54.1mm
50mm
Lug Width
—
14mm
Material
Stainless Steel
Titanium
Finish
—
—
Crystal & Dial
5 specsCrystal
Mineral
Sapphire
Crystal Shape
—
Curved
AR Coating
No
Super-clear coating
Dial Color
Black
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
5X83
Power Reserve
—
0h
Jewels
0
14
Pricing
1 specsMSRP
$155
$3,100
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