Side by side
Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited EditionvsSunrex Beta
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 Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Beta41mm
Power Reserve
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h
Beta40h
Water Resistance
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
Beta100m
MSRP
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400
Beta—
Full specifications
Case
5 specsCategory
Chronograph
—
Diameter
42mm
41mm
Thickness
12.9mm
14mm
Lug-to-Lug
49.6mm
48mm
Lug Width
20mm
—
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
5X83
Epson VS75A
Type
Quartz
Solar
Jewels
14
25
Pricing
1 specsMSRP
$2,400
—
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