Side by side
Baltic Hermétique SummervsGrand Seiko STGK007
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Hermétique Summer37mm
STGK00727.8mm
Power Reserve
Hermétique Summer42h
STGK00750h
Water Resistance
Hermétique Summer150m
STGK007100m
MSRP
Hermétique Summer$594
STGK007$6,200
Full specifications
Case
5 specsDiameter
37mm
27.8mm
Thickness
10.8mm
11.2mm
Lug-to-Lug
46mm
33.5mm
Lug Width
20mm
13mm
Water Resistance
150m
100m
Crystal & Dial
2 specsDial Color
Orange
Black
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
9S27
Power Reserve
42h
50h
Pricing
1 specsMSRP
$594
$6,200
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