Side by side

Baltic Aquascaphe GMTvsSeiko Prospex Sea

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

Aquascaphe GMT
BalticAquascaphe GMT
MSRP $1,015
Prospex Sea
SeikoProspex Sea
MSRP $1,500

At a glance

14 of 29 specs differ
Diameter
Aquascaphe GMT39mm
Prospex Sea43.5mm
Power Reserve
Aquascaphe GMT42h
Prospex Sea70h
Water Resistance
Aquascaphe GMT100m
Prospex Sea200m
MSRP
Aquascaphe GMT$1,015
Prospex Sea$1,500

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39mm
43.5mm
Thickness
13mm
13.3mm
Lug-to-Lug
47mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
SuperLuminova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
SOPROD C125 GMT
6R35
Power Reserve
42h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,015
$1,500

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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 Aquascaphe GMT

The Baltic Aquascaphe GMT is widely praised for its compact 39mm case size, comfortable thickness, and refined, timeless design with a crisp, well-executed dial and sapphire bezel insert. Owners and reviewers alike highlight its excellent value and slick appearance, noting the vintage-inspired aesthetic with brushed surfaces and painted indexes. Some reviewers consider the lume adequate but not exceptionally bright, and the case finishing, while fitting the tool-watch ethos, lacks embellishments like polished bevels. The Soprod C125 movement features a 42-hour power reserve and a non-independent hour hand setting, though the 24-click bezel is seen as practical. Certain bezel color options are noted as potentially difficult to pair with outfits. Overall, owners and reviewers rate the Baltic Aquascaphe GMT highly for its exceptional value and refined, compact design.

From video reviewers

The Baltic Aquascaphe GMT features a Swiss Soprod C125 movement, a notable upgrade for the brand. Its attractive design fits within the popular $1000 price point. A significant drawback is the lack of a quick-set date function, requiring manual adjustment.

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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