Side by side

Astor + Banks Fortitude LitevsSeiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

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

At a glance

14 of 29 specs differ
Diameter
Fortitude Lite38.5mm
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Power Reserve
Fortitude Lite40h
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Water Resistance
Fortitude Lite200m
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
MSRP
Fortitude Lite$650
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
38.5mm
42.6mm
Thickness
10.9mm
14.1mm
Lug-to-Lug
45.5mm
49.3mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Maíz
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$650
$3,900

Follow this matchup

Get a note when Astor + Banks Fortitude Lite vs Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Astor + Banks Fortitude Lite

The Astor + Banks Fortitude Lite is praised for its reduced 10.9mm thickness and redesigned lugs that turn down, along with the removal of the date complication. One owner finds the white dial Fortitude Lite a good watch but not worth $650, suggesting better value from other brands, while another simply states it looks better than a specific alternative. Overall, owners praise the Astor + Banks Fortitude Lite for its wearability due to its thinner case and redesigned lugs.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.