Luminox Master Carbon SEAL Automatic 45mmvsSeiko 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.

Luminox Master Carbon SEAL Automatic 45mm at true scale

Master Carbon SEAL Automatic 45mm

Seiko King Turtle at true scale

King Turtle

Diameter

45mm

45mm

Lug-to-Lug

n/a

47.7mm

Thickness

14mm

13.2mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$1,695

$650

lowest

Movement

Sellita SW220-1

Seiko 4R36

Case

4 specs
Thickness
14mm
13.2mm
Lug-to-Lug
n/a
47.7mm
Lug Width
24mm
22mm
Material
CARBONOX™+
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW220-1
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,695
$650
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Reviews

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

Luminox Master Carbon SEAL Automatic 45mm

Owners widely praise the Luminox Master Carbon SEAL Automatic 45mm for its lightweight and scratch-resistant Carbonox case, which has held up well to extreme activities, and appreciate the constant lume from its tritium tubes. However, some owners report issues with the bezel rattling and have observed multiple instances of sheared lugs on the watch. One reviewer noted the rubber strap requires precise cutting and the deployant hardware is mismatched. The Luminox Master Carbon SEAL Automatic 45mm is available on a red strap, with a black strap also offered. On balance, owners value the Luminox Master Carbon SEAL Automatic 45mm for its durable, lightweight carbon case and reliable tritium lume, despite some concerns about build quality and strap design.

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.

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