Seiko King TurtlevsTudor Pelagos FXD Chrono

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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 King Turtle at true scale

King Turtle

Tudor Pelagos FXD Chrono at true scale

Pelagos FXD Chrono

Diameter

45mm

43mm

Lug-to-Lug

47.7mm

n/a

Thickness

13.2mm

lowest

13.6mm

Water Resistance

200m

200m

Power Reserve

41h

70h

highest

MSRP

$650

lowest

$5,875

Movement

Seiko 4R36

Tudor MT5813

Case

4 specs
Diameter
45mm
43mm
Thickness
13.2mm
13.6mm
Lug-to-Lug
47.7mm
n/a
Material
Stainless Steel
Carbon Composite

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
Seiko 4R36
Tudor MT5813
Power Reserve
41h
70h
Jewels
24
0
Complications
None
Chronograph

Pricing

1 specs
MSRP
$650
$5,875
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Reviews

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

Seiko King Turtle

Seiko King Turtle is widely praised for its excellent value and robust design, featuring the reliable 4R36 movement. Owners appreciate its superior lume and a bezel action described as smoother and more precise than some siblings. The 45mm cushion case, while substantial, wears smaller than expected due to its shape and short lug-to-lug distance. On balance, owners and reviewers rate the Seiko King Turtle highly for its proven design and overall value proposition.

From video reviewers

The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.

Tudor Pelagos FXD Chrono

The Tudor Pelagos FXD Chrono is widely praised for its lightweight carbon composite case, making it comfortable and easy to wear, especially on wrists accustomed to smaller watches. Its exceptional legibility, particularly underwater, and the functional bidirectional countdown bezel are highlighted as key strengths for its intended tool-watch purpose. Owners and reviewers note the MT5813 automatic movement's COSC certification and 70-hour power reserve, with accuracy figures ranging from -2 to +4 seconds per day. Some variants, like the Cycling Edition, feature a tachymeter scale, though its practicality for modern cyclists is debated, and water resistance is noted as 100m for these specific models, differing from the 200m of other FXD versions. On balance, owners and reviewers highly rate the Tudor Pelagos FXD Chrono for its robust, lightweight build and excellent legibility, making it a capable tool watch.

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