Side by side
Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited EditionvsStudio Underd0g Studio Underd0g Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Studio Underd0g Chronograph38.5mm
Power Reserve
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Studio Underd0g Chronograph63h
Water Resistance
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
Studio Underd0g Chronograph50m
MSRP
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Studio Underd0g Chronograph$2,200
Full specifications
Case
5 specsCategory
Chronograph
—
Diameter
42mm
38.5mm
Thickness
14.6mm
13.6mm
Lug-to-Lug
49.5mm
44.5mm
Water Resistance
100m
50m
Crystal & Dial
3 specsCrystal Shape
Curved
—
AR Coating
Anti-reflective coating on inner surface
—
Lume
LumiBrite on hands and index(es)
None
Movement
4 specsCaliber
Seiko 8R48
Sellita SW510 M
Type
Automatic
Manual
Power Reserve
45h
63h
Jewels
34
0
Pricing
1 specsMSRP
$2,500
$2,200
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