Side by side
Baltic ScalegraphvsSeiko 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
12 of 29 specs differDiameter
Scalegraph39.5mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Scalegraph63h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Scalegraph100m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Scalegraph$1,766
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Full specifications
Case
3 specsDiameter
39.5mm
42mm
Thickness
14.1mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
BGW9
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW510
8R48
Type
Manual
Automatic
Power Reserve
63h
45h
Jewels
25
34
Pricing
1 specsMSRP
$1,766
$2,500
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