Esoteric Watches BathyalvsSeiko 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.

Esoteric Watches Bathyal at true scale

Bathyal

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

44mm

43.8mm

Lug-to-Lug

48mm

lowest

48.7mm

Thickness

14mm

12.8mm

lowest

Water Resistance

600m

highest

200m

Power Reserve

n/a

41h

MSRP

$599

lowest

$625

Movement

Miyota 9015

Seiko 4R35

Case

4 specs
Diameter
44mm
43.8mm
Thickness
14mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Water Resistance
600m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
None
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
$599
$625
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Reviews

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

Esoteric Watches Bathyal

The Esoteric Watches Bathyal Oscuro is praised for its attractive and unique design, comfortable wearability, and tool watch functionality. Owners report it is well-made with attention to detail. One reviewer notes potential confusion with the "Eso" branding and concerns about the long-term durability of the matte black DLC coating. The watch features a Miyota 9015 automatic movement, 600m water resistance, and a 44mm case. Overall, owners and reviewers rate the Esoteric Watches Bathyal highly for its attractive design and tool watch functionality at its price point.

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.

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