Side by side
Grand Seiko STGF387vsYema Flygraf Bi-Compax French Air Force
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
STGF38726mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
STGF38740h
Flygraf Bi-Compax French Air Force40h
Water Resistance
STGF387100m
Flygraf Bi-Compax French Air Force100m
MSRP
STGF387$4,200
Flygraf Bi-Compax French Air Force$490
Full specifications
Case
6 specsCategory
Dress
Chronograph
Diameter
26mm
40mm
Thickness
8.1mm
9.5mm
Lug-to-Lug
32.9mm
—
Lug Width
13mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsAR Coating
Yes
Inner
Movement
1 specsCaliber
4J51
—
Pricing
1 specsMSRP
$4,200
$490
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