Side by side
Baltic Hermétique SummervsSeagull Day-date Calendar Tonneau Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
Hermétique Summer37mm
Day-date Calendar Tonneau Watch36mm
Power Reserve
Hermétique Summer42h
Day-date Calendar Tonneau Watch—
Water Resistance
Hermétique Summer150m
Day-date Calendar Tonneau Watch50m
MSRP
Hermétique Summer$594
Day-date Calendar Tonneau Watch$539
Full specifications
Case
6 specsCategory
Dress
—
Diameter
37mm
36mm
Thickness
10.8mm
12mm
Lug-to-Lug
46mm
40mm
Lug Width
20mm
11mm
Water Resistance
150m
50m
Crystal & Dial
3 specsAR Coating
Yes
—
Dial Color
Orange
—
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9039
ST2100
Power Reserve
42h
0h
Pricing
1 specsMSRP
$594
$539
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