Side by side
Seiko Prospex SPEEDTIMERvsYema Radiance
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prospex SPEEDTIMER42mm
Radiance30mm
Power Reserve
Prospex SPEEDTIMER40h
Radiance40h
Water Resistance
Prospex SPEEDTIMER100m
Radiance30m
MSRP
Prospex SPEEDTIMER$2,200
Radiance$279
Full specifications
Case
7 specsCategory
Chronograph
Dress
Diameter
42mm
30mm
Thickness
12.9mm
6.3mm
Lug-to-Lug
49.6mm
—
Lug Width
20mm
14mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
30m
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Lume
LumiBrite on hands and index(es)
None
Movement
2 specsCaliber
5X83
—
Jewels
14
25
Pricing
1 specsMSRP
$2,200
$279
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