Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsHELM Vanuatu Titanium

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

Vanuatu Titanium
HELMVanuatu Titanium
MSRP $350

At a glance

12 of 29 specs differ
Diameter
Prospex Sea 1965 Heritage Diver's Watch40mm
Vanuatu Titanium42mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
Vanuatu Titanium40h
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
Vanuatu Titanium300m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
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
$1,300
$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 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

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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