Oceaneva Deep Marine Explorer II Titanium 1250mvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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.

Oceaneva Deep Marine Explorer II Titanium 1250m at true scale

Deep Marine Explorer II Titanium 1250m

Seiko Prospex Sea 1968 Heritage Diver's GMT at true scale

Prospex Sea 1968 Heritage Diver's GMT

Diameter

42mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

14.3mm

12.9mm

lowest

Water Resistance

1250m

highest

200m

Power Reserve

n/a

72h

MSRP

$449

lowest

$1,500

Movement

Sellita SW200-1

Seiko 6R54

Case

5 specs
Thickness
14.3mm
12.9mm
Lug-to-Lug
n/a
48.6mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
1250m
200m

Crystal & Dial

2 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$449
$1,500
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.

Oceaneva Deep Marine Explorer II Titanium 1250m

Owners widely praise the Oceaneva Deep Marine Explorer II Titanium 1250m for its titanium construction, which contributes to its wearability. The unique mother-of-pearl dial is also a frequently highlighted feature. The watch is equipped with a Sellita SW200-1 automatic movement, offers 1250m water resistance, and includes a helium escape valve and a screw-down case back with triple seals. It also features a scratch-proof, anti-reflective domed sapphire crystal. On balance, owners rate the Oceaneva Deep Marine Explorer II Titanium 1250m highly for its distinctive dial and lightweight titanium build at its price point.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and value, with owners noting its comfortable wearability and attractive aesthetic, particularly the silver/white sunray dial and blue ceramic bezel. The improved bracelet clasp with excellent micro-adjustment is a recurring positive point. Some owners report accuracy figures of +3 seconds per day or +/- 5 seconds per day, exceeding the movement's stated range. However, the GMT functionality is considered secondary to its dive watch capabilities by some, with the GMT scale being difficult to read and the caller-style GMT movement being a drawback for certain users. The dial contrast is also noted as lacking by some, and the crown at 4 o'clock is undesirable for a few. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT highly for its blend of dive watch character and GMT functionality, offering significant features for its price.

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.