Side by side
Seiko Prospex SPEEDTIMER MechanicalvsUgly Watch Co Adamas Aster
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex SPEEDTIMER Mechanical39.5mm
Adamas Aster42mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Adamas Aster40h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Adamas Aster100m
MSRP
Prospex SPEEDTIMER Mechanical$995
Adamas Aster$1,160
Full specifications
Case
4 specsCategory
Chronograph
—
Diameter
39.5mm
42mm
Lug-to-Lug
44.5mm
46mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
Black Mother of Pearl
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
6R55
Miyota 9015
Power Reserve
72h
40h
Jewels
24
25
Pricing
1 specsMSRP
$995
$1,160
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