Side by side

Seiko Prospex SeavsOrient Diver Watch

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

Prospex Sea
SeikoProspex Sea
MSRP $625
Diver Watch
OrientDiver Watch
MSRP $285

At a glance

15 of 29 specs differ
Diameter
Prospex Sea43.8mm
Diver Watch41.5mm
Power Reserve
Prospex Sea41h
Diver Watch40h
Water Resistance
Prospex Sea200m
Diver Watch200m
MSRP
Prospex Sea$625
Diver Watch$285

Full specifications

Case

3 specs
Diameter
43.8mm
41.5mm
Thickness
12.8mm
13mm
Lug-to-Lug
48.7mm
47mm

Crystal & Dial

6 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Blue
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

5 specs
Caliber
4R35
F6922
Beat Rate
28,800 vph
21,600 vph
Power Reserve
41h
40h
Jewels
23
22
Complications
None
Day-date

Pricing

1 specs
MSRP
$625
$285

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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

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

Orient Diver Watch

Owners widely praise the Orient Diver Watch for its value, with many considering it the best-looking dive watch under $300, especially noting striking dial colors like red and matte-black gilt. Reviewers highlight its solid build quality, comfortable bracelets, and applied indices with crisp lume. The in-house automatic movement with hacking and hand-winding is a consistent point of praise, offering a 40-hour power reserve. However, some reviewers note a noticeable amount of play in the bezel, a trait common to affordable Orient divers, and one owner found the transparent bezel scratches easily. On balance, owners and reviewers rate the Orient Diver Watch highly for its exceptional dial finishing and lume at its price point.

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