Side by side

Grand Seiko STGK003vsLongines MASTER COLLECTION

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

STGK003
Grand SeikoSTGK003
MSRP $31,200
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,950

At a glance

20 of 29 specs differ
Diameter
STGK00328.7mm
MASTER COLLECTION29mm
Power Reserve
STGK00350h
MASTER COLLECTION45h
Water Resistance
STGK003100m
MASTER COLLECTION30m
MSRP
STGK003$31,200
MASTER COLLECTION$3,950

Full specifications

Case

9 specs
Category
Dress
Diameter
28.7mm
29mm
Thickness
10.9mm
9mm
Lug-to-Lug
35.1mm
34.5mm
Lug Width
14mm
15mm
Material
Gold
18k Yellow Gold
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Steel
Indices
Applied

Movement

6 specs
Caliber
9S27
L592.5
Beat Rate
28,800 vph
0 vph
Power Reserve
50h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$31,200
$3,950

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