Side by side

Baltic Aquascaphe GMTvsSeiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

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

Aquascaphe GMT
BalticAquascaphe GMT
MSRP $1,015

At a glance

13 of 29 specs differ
Diameter
Aquascaphe GMT39mm
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Power Reserve
Aquascaphe GMT42h
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
Water Resistance
Aquascaphe GMT100m
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
MSRP
Aquascaphe GMT$1,015
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
39.5mm
Thickness
13mm
12.3mm
Lug-to-Lug
47mm
47.2mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
SuperLuminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SOPROD C125 GMT
6L37
Power Reserve
42h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$1,015
$2,800

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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 Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

The Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation is noted for its refined, slimmed-down 39.5mm stainless steel case with a "super hard" coating and a box-shaped sapphire crystal. It offers 200 meters of water resistance and is powered by the slim Caliber 6L37 automatic movement, which has a 46-hour power reserve and an accuracy rating of -10/+15 seconds per day. Reviewers highlight its wearability and functionality as a dive watch, with one noting it as Seiko's thinnest diver ever at 12.3mm. However, concerns are raised about Seiko's continued reliance on the 62MAS design, with one reviewer wishing the Marinemaster remained a separate line, and the bracelet's end-links appearing mismatched in initial images. Its price of A$4,650 is considered high given its specifications compared to competitors.

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