Side by side

Baltic Hermétique SummervsGruppo Gamma Field III GMT

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Hermétique Summer37mm
Field III GMT40mm
Power Reserve
Hermétique Summer42h
Field III GMT41h
Water Resistance
Hermétique Summer150m
Field III GMT200m
MSRP
Hermétique Summer$594
Field III GMT$459

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
37mm
40mm
Thickness
10.8mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
150m
200m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
BGW9
Super-LumiNova

Movement

3 specs
Caliber
Miyota 9039
Seiko Instruments NH38A
Power Reserve
42h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$594
$459

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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