Seiko Prospex Marinemaster 1965 Heritage Diver's WatchvsZelos Swordfish 40mm

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.

Seiko Prospex Marinemaster 1965 Heritage Diver's Watch at true scale

Prospex Marinemaster 1965 Heritage Diver's Watch

Zelos Swordfish 40mm at true scale

Swordfish 40mm

Diameter

39.5mm

40mm

Lug-to-Lug

47.2mm

46mm

lowest

Thickness

12.3mm

12mm

lowest

Water Resistance

200m

200m

Power Reserve

45h

n/a

MSRP

$2,800

$349

lowest

Movement

Seiko 6L37

Seiko NH35

Case

4 specs
Diameter
39.5mm
40mm
Thickness
12.3mm
12mm
Lug-to-Lug
47.2mm
46mm
Material
Stainless Steel
Bronze

Crystal & Dial

4 specs
Crystal Shape
Box
n/a
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
n/a
n/a
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 6L37
Seiko NH35
Power Reserve
45h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$2,800
$349
Keep your wishlist and collection together in the appExplore the app

Reviews

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

Seiko Prospex Marinemaster 1965 Heritage Diver's Watch

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.

Zelos Swordfish 40mm

Owners widely praise the Zelos Swordfish 40mm for its exceptional value, tool-watch aesthetic, and solid construction, with many highlighting the comfortable wearability and well-executed design. The bracelet is frequently noted as easy to size and comfortable, and the Seiko NH35 movement is considered reliable, with one owner reporting remarkable accuracy of +/- 1 second per day. Some reviewers and owners, however, point to sharp edges on the bracelet clasp or edges and a stiff bezel action. The Zelos Swordfish 40mm is also available in various materials like bronze and titanium, and features unique dial options such as meteorite and full lume. Overall, owners and reviewers rate the Zelos Swordfish 40mm highly for its impressive build quality and distinctive design at its price point.

Similar watches

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

DiscussionNot started

Also compared

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