Oceaneva Deep Marine Explorer II Damascus SteelvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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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 Damascus Steel at true scale

Deep Marine Explorer II Damascus Steel

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition at true scale

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Diameter

42mm

42.7mm

Lug-to-Lug

n/a

46.4mm

Thickness

14.8mm

13.2mm

lowest

Water Resistance

1250m

highest

200m

Power Reserve

n/a

70h

MSRP

$1,199

lowest

$1,350

Movement

Sellita SW200-1

Seiko 6R35

Case

5 specs
Diameter
42mm
42.7mm
Thickness
14.8mm
13.2mm
Lug-to-Lug
n/a
46.4mm
Lug Width
22mm
20mm
Water Resistance
1250m
200m

Crystal & Dial

3 specs
Crystal Shape
n/a
Curved
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 6R35
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$1,199
$1,350
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Reviews

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

Oceaneva Deep Marine Explorer II Damascus Steel

Owners widely praise the Oceaneva Deep Marine Explorer II Damascus Steel for its exceptional value, with one owner noting its COSC-equivalent performance and smoother second-hand sweep compared to more expensive watches, leading them to purchase a second unit. The watch features a distinctive "pattern welded steel" case, bezel, crown, and buckle. One owner wears their white dial version daily and highlights the brand's YouTube demonstrations of pressure and condensation testing. Overall, owners rate the Oceaneva Deep Marine Explorer II Damascus Steel highly for its unique Damascus steel construction and impressive performance at its price point.

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition for its beautiful design and refinement over prior models, with its glacier-inspired textured dial being a particular highlight. However, a significant portion of the community finds the €1500 RRP to be too high, suggesting a price point closer to €900-€1000, and note the use of an aluminum bezel insert. Some owners report that the 6R movement runs slow. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition highly for its aesthetic refinement, though the price point is a notable concern for the community.