Side by side

Grand Seiko STGK031vsTAG Heuer Formula 1

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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STGK031
Grand SeikoSTGK031
MSRP $6,600
Formula 1
TAG HeuerFormula 1
MSRP $4,550
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At a glance

18 of 29 specs differ
Diameter
STGK03130mm
Formula 144mm
Power Reserve
STGK03150h
Formula 148h
Water Resistance
STGK031100m
Formula 1200m
MSRP
STGK031$6,600
Formula 1$4,550

Full specifications

Case

8 specs
Category
Dress
Diver
Diameter
30mm
44mm
Thickness
10.5mm
15mm
Lug-to-Lug
36.2mm
—
Lug Width
15mm
20mm
Finish
Brushed and polished
Steel Fine-Brushed/Polished
Water Resistance
100m
200m
Caseback
Solid
—

Crystal & Dial

5 specs
Crystal
Sapphire
—
Crystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Black
Green
Indices
Applied
—

Movement

4 specs
Caliber
9S27
Calibre 16 Automatic
Power Reserve
50h
48h
Jewels
25
0
Complications
None
Chronograph, Date

Pricing

1 specs
MSRP
$6,600
$4,550
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