Side by side
Helgray Bomber Quartz - Brigadier Gray (Prototype)vsSeiko 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
11 of 29 specs differDiameter
Bomber Quartz - Brigadier Gray (Prototype)40mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Bomber Quartz - Brigadier Gray (Prototype)40h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Bomber Quartz - Brigadier Gray (Prototype)100m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Bomber Quartz - Brigadier Gray (Prototype)$249
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Full specifications
Case
4 specsCategory
Pilot
Chronograph
Diameter
40mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
46mm
49.5mm
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
8R48
Power Reserve
40h
45h
Jewels
25
34
Pricing
1 specsMSRP
$249
$2,500
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