Seiko Prospex SeavsTSAO Baltimore Torsk-Diver

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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.

Seiko Prospex Sea at true scale

Prospex Sea

TSAO Baltimore Torsk-Diver at true scale

Torsk-Diver

Diameter

43.8mm

43mm

Lug-to-Lug

48.7mm

48mm

lowest

Thickness

12.8mm

lowest

13.6mm

Water Resistance

200m

300m

highest

Power Reserve

41h

highest

40h

MSRP

$625

lowest

$650

Movement

Seiko 4R35

Miyota 9015

Case

5 specs
Diameter
43.8mm
43mm
Thickness
12.8mm
13.6mm
Lug-to-Lug
48.7mm
48mm
Material
Stainless Steel
Bronze
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
n/a
n/a
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 4R35
Miyota 9015
Power Reserve
41h
40h
Jewels
23
0

Pricing

1 specs
MSRP
$625
$650
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Reviews

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 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.

TSAO Baltimore Torsk-Diver

The TSAO Baltimore Bronze Torsk-Diver - Midnight Blue is widely praised for its comfortable 43mm case, attractive dial texturing, and excellent fit and finish, with owners considering it a good value for the money. Reviewers note the lumed sapphire bezel insert and attractive dial texturing. Some owners find the bezel tension tight and the date aperture's cutout edges inelegant upon close inspection. One reviewer regulated the movement to -/+8 seconds per day. On balance, owners and reviewers rate the TSAO Baltimore Bronze Torsk-Diver - Midnight Blue highly for its comfortable wearability and attractive design at its price point.