Side by side
HELM MiyakovsWolbrook JetFlyer Automatic Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Miyako40mm
JetFlyer Automatic Chronograph38mm
Power Reserve
Miyako42h
JetFlyer Automatic Chronograph40h
Water Resistance
Miyako200m
JetFlyer Automatic Chronograph100m
MSRP
Miyako$375
JetFlyer Automatic Chronograph$845
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
40mm
38mm
Thickness
13.75mm
12.1mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-Domed
Flat
AR Coating
Yes
Inner
Dial Color
Gray
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
—
Jeambrun PS 6402
Power Reserve
42h
40h
Jewels
24
25
Pricing
1 specsMSRP
$375
$845
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