Oceaneva Deep Marine Explorer II Titanium 1250mvsSeiko Prospex Sea

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 at true scale

Prospex Sea

Diameter

42mm

41.3mm

Lug-to-Lug

n/a

48.2mm

Thickness

14.3mm

12.5mm

lowest

Water Resistance

1250m

highest

300m

Power Reserve

n/a

72h

MSRP

$449

lowest

$1,100

Movement

Sellita SW200-1

Seiko 6R55

Case

6 specs
Diameter
42mm
41.3mm
Thickness
14.3mm
12.5mm
Lug-to-Lug
n/a
48.2mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
1250m
300m

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 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$449
$1,100
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

Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.