Oceaneva GMT Titanium Automatic Deep Marine Explorer 1250MvsSeiko Prospex Sea

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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 GMT Titanium Automatic Deep Marine Explorer 1250M at true scale

GMT Titanium Automatic Deep Marine Explorer 1250M

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

41.3mm

Lug-to-Lug

n/a

48.2mm

Thickness

15.8mm

12.5mm

lowest

Water Resistance

1250m

highest

300m

Power Reserve

n/a

72h

MSRP

$749

lowest

$1,100

Movement

Seiko NH34

Seiko 6R55

Case

6 specs
Diameter
42mm
41.3mm
Thickness
15.8mm
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
Seiko NH34
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$749
$1,100
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Reviews

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

Oceaneva GMT Titanium Automatic Deep Marine Explorer 1250M

Owners widely praise the Oceaneva GMT Titanium Automatic Deep Marine Explorer 1250M for its exceptional value, robust titanium construction, and impressive 1250m water resistance, with one owner noting it has been fantastic for years. The watch features an uncommon mother-of-pearl dial option and BGW9 lume, powered by the reliable Seiko NH34 automatic GMT movement. It has been observed as a blend of design elements from established luxury dive and GMT watches, with a price point around $225-$299 depending on discounts. Overall, owners and reviewers rate the Oceaneva GMT Titanium Automatic Deep Marine Explorer 1250M highly for its rugged build and compelling spec sheet at its price.

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.

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