Side by side

Baltic Hermétique SummervsSpinnaker Bradner Pearl Diver

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

13 of 29 specs differ
Diameter
Hermétique Summer37mm
Bradner Pearl Diver42mm
Power Reserve
Hermétique Summer42h
Bradner Pearl Diver40h
Water Resistance
Hermétique Summer150m
Bradner Pearl Diver180m
MSRP
Hermétique Summer$594
Bradner Pearl Diver$370

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
37mm
42mm
Thickness
10.8mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
180m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Orange
Emerald
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$594
$370

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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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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