Side by side

Baltic Aquascaphe GMTvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

12 of 29 specs differ
Diameter
Aquascaphe GMT39mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Aquascaphe GMT42h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Aquascaphe GMT100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Aquascaphe GMT$1,015
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
42mm
Thickness
13mm
12.9mm
Lug-to-Lug
47mm
48.6mm
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, index(es) and bezel

Movement

3 specs
Caliber
SOPROD C125 GMT
6R54
Power Reserve
42h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,015
$1,500
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