Seiko Prospex Marinemaster 1965 Heritage Diver's WatchvsTimefactors Caribbean
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Prospex Marinemaster 1965 Heritage Diver's Watch

Caribbean
Diameter
39.5mm
40mm
Lug-to-Lug
47.2mm
45.7mm
lowest
Thickness
12.3mm
lowest
15.1mm
Water Resistance
200m
1000m
highest
Power Reserve
45h
n/a
MSRP
$2,800
$517
lowest
Movement
Seiko 6L37
Miyota 9015
Case
4 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is praised for its modern execution of a classic design, with reviewers noting the appealing 39.5mm case size and updated bracelet that improve wearability. Some reviewers mention the 6L37 movement has a 46-hour power reserve, with accuracy rated around -10/+15 seconds per day. A drawback identified by reviewers is the lack of tool-free micro-adjustment on the clasp. Overall, owners and reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch to be a handsome re-interpretation of a beloved design, with its improved wearability being a key strength.
Owners widely report that the Timefactors Caribbean offers exceptional quality for its price point, though acquiring one is challenging due to rapid sell-outs. Some owners view the designs as derivative, comparing them unfavorably to other brands, while others appreciate the modern interpretations of vintage aesthetics. On balance, owners rate the Timefactors Caribbean highly for its value and build quality, despite the difficulty in purchasing one.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








