Phoibos Apollo TitaniumvsSeiko 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.

Phoibos Apollo Titanium at true scale

Apollo Titanium

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

41mm

43.8mm

Lug-to-Lug

48mm

lowest

48.7mm

Thickness

12.5mm

lowest

12.8mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$575

lowest

$625

Movement

Miyota 9015

Seiko 4R35

Case

5 specs
Diameter
41mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Green
n/a
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$575
$625
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Reviews

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

Phoibos Apollo Titanium

The Phoibos Apollo Titanium is described as beautiful and unique by owners. Some owners note small marks appearing on the case, bracelet, bezel, and case back, though the watch is otherwise reported to be in very good condition. Overall, owners appreciate the Phoibos Apollo Titanium for its aesthetic appeal and unique design.

From video reviewers

The full titanium build is a notable strength. The spring bar placement, initially an issue for strap changes, has been addressed by Phoibos.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.