Side by side

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited EditionvsHELM Vanuatu Titanium

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

At a glance

12 of 29 specs differ
Diameter
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Vanuatu Titanium42mm
Power Reserve
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Vanuatu Titanium40h
Water Resistance
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
Vanuatu Titanium300m
MSRP
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400
Vanuatu Titanium$350

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
13mm
14mm
Lug-to-Lug
46.4mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
Seiko Instruments NH35
Power Reserve
72h
40h
Complications
None
Date

Pricing

1 specs
MSRP
$1,400
$350

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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.

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

HELM Vanuatu Titanium

The HELM Vanuatu Titanium is widely praised by owners for its lightweight titanium construction, brushed gunmetal finish, simple design, legible hands and markers, and excellent lume, offering significant value at $300. Owners note the watch looks good in person and express enthusiasm for their existing Vanuatu Ti models. Some owners wish for Miyota 9x movements in place of the NH series. The unhardened titanium scratches easily, and the 42mm case may be too large for smaller wrists. A significant drawback is the long waiting list. On balance, owners rate the HELM Vanuatu Titanium highly for its lightweight titanium build and excellent lume at the price point.

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