Side by side
Seiko Prospex SPEEDTIMERvsWolbrook JetFlyer Automatic Chronograph
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 SPEEDTIMER41.4mm
JetFlyer Automatic Chronograph38mm
Power Reserve
Prospex SPEEDTIMER40h
JetFlyer Automatic Chronograph40h
Water Resistance
Prospex SPEEDTIMER100m
JetFlyer Automatic Chronograph100m
MSRP
Prospex SPEEDTIMER$750
JetFlyer Automatic Chronograph$845
Full specifications
Case
5 specsDiameter
41.4mm
38mm
Thickness
13mm
12.1mm
Lug-to-Lug
45.9mm
46mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands and index(es)
None
Movement
2 specsCaliber
V192
—
Type
Quartz
Automatic
Pricing
1 specsMSRP
$750
$845
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