Side by side
Beaufort PulsatimervsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Pulsatimer39mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Pulsatimer63h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Pulsatimer50m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Pulsatimer$1,260
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
39mm
42mm
Thickness
13.8mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Water Resistance
50m
100m
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
C1 Super-LumiNova applied to sword-styled hands for low-light readability.
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW510M BH b
8R48
Type
Manual
Automatic
Power Reserve
63h
45h
Jewels
25
34
Pricing
1 specsMSRP
$1,260
$2,500
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