Noctua Watch Corp. PDFL-1vsSeiko King Turtle
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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.

PDFL-1

King Turtle
Diameter
42mm
45mm
Lug-to-Lug
46mm
lowest
47.7mm
Thickness
13mm
lowest
13.2mm
Water Resistance
300m
highest
200m
Power Reserve
n/a
41h
MSRP
$447
lowest
$650
Movement
Seiko NH38
Seiko 4R36
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Noctua Watch Corp. PDFL-1 owners appreciate its Sinn-like aesthetic and praise its lume. Overall, owners rate the Noctua Watch Corp. PDFL-1 highly for its Sinn-like aesthetic and lume.
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.
The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.
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