Side by side

Baltic Aquascaphe TitaniumvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

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

Aquascaphe Titanium
BalticAquascaphe Titanium
MSRP $788

At a glance

11 of 29 specs differ
Diameter
Aquascaphe Titanium41mm
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Power Reserve
Aquascaphe Titanium42h
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Water Resistance
Aquascaphe Titanium300m
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
MSRP
Aquascaphe Titanium$788
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

Full specifications

Case

4 specs
Diameter
41mm
42.6mm
Thickness
13mm
14.1mm
Lug-to-Lug
47mm
49.3mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
SuperLuminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
8L45
Power Reserve
42h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$788
$3,900

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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 Titanium

The Baltic Aquascaphe Titanium is widely praised for its lightweight, brushed grade 5 titanium case, vintage-inspired high-domed sapphire crystal, and visually appealing ceramic bezel. Owners and reviewers highlight its modern, purpose-driven design with squared-off crown guards and a no-date display, noting excellent finishing for its price point. The watch offers 300m water resistance and a fully lumed bezel. Some reviewers find the 41mm bezel less vintage than the original and note potential glare issues, while others welcome the updated design and improved specifications. One owner reported a bezel detachment issue, leading to a repair quote that sparked debate within the community regarding value and quality for the price. The movement is a Miyota 9039 with a 42-hour power reserve. Overall, owners and reviewers rate the Baltic Aquascaphe Titanium highly for its contemporary dive watch design and excellent finishing at its price point.

From video reviewers

The watch's comfortable fit for smaller wrists is a notable strength, with a 41mm case size and 47mm lug-to-lug fit. A potential weakness is the ceramic bezel's potential for wear and tear. Reviewers disagree on the watch's lume, with one reviewer mentioning it's not the brightest and the other not mentioning it at all.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is praised for its distinctive blue sea ice-inspired dial with a gradient effect and textured finish, celebrating its partnership with JAMSTEC. It is powered by the automatic Calibre 8L45 movement, which provides a 72-hour power reserve. The watch features a 42.6mm stainless steel case with a super-hard coating, a ceramic bezel, and a dual-curved sapphire crystal, offering 300m water resistance. Accuracy is rated between -5/+10 seconds per day. Overall, reviewers highlight the unique dial design and robust specifications as key strengths of the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition.

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