Side by side
Grand Seiko SBGK006vsNOMOS Glashütte Tetra 27 duo
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
SBGK00639mm
Tetra 27 duo27.5mm
Power Reserve
SBGK00672h
Tetra 27 duo53 hoursh
Water Resistance
SBGK00630m
Tetra 27 duo50m
MSRP
SBGK006$22,200
Tetra 27 duo$2,090
Full specifications
Case
8 specsDiameter
39mm
27.5mm
Thickness
11.6mm
6.1mm
Lug-to-Lug
44mm
38.5mm
Lug Width
19mm
18mm
Material
Gold
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
30m
50m
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Black
White
Indices
Applied
—
Movement
4 specsCaliber
9S63
DUW 4001
Beat Rate
28,800 vph
21,600 vph
Power Reserve
72h
53 hoursh
Jewels
25
17
Pricing
1 specsMSRP
$22,200
$2,090
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