Merkur Seizenn DivervsSeiko 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.

Merkur Seizenn Diver at true scale

Seizenn Diver

Seiko King Turtle at true scale

King Turtle

Diameter

44mm

45mm

Lug-to-Lug

47.4mm

lowest

47.7mm

Thickness

13.7mm

13.2mm

lowest

Water Resistance

150m

200m

highest

Power Reserve

n/a

41h

MSRP

$179

lowest

$650

Movement

Seiko NH35

Seiko 4R36

Case

5 specs
Diameter
44mm
45mm
Thickness
13.7mm
13.2mm
Lug-to-Lug
47.4mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
150m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$179
$650
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Reviews

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

Merkur Seizenn Diver

Owners widely praise the Merkur Seizenn Diver Watch for its pleasing aesthetic, blending influences from other notable dive watches, and its well-executed case finishing, with one owner finding it a cool and well-made timepiece for its price. However, some owners report issues with the automatic Seiko NH35 movement, including stuttering and stopping seconds hands, and one owner found the strap holders too close together for smaller wrists. The Merkur Seizenn Diver Watch's case shape is preferred by some for being slimmer and more symmetrical than alternatives, though its lugs are described as longer and "pointy." On balance, owners find the Merkur Seizenn Diver Watch to be a well-made timepiece with a pleasing aesthetic, though movement reliability and strap fit are points of concern for some.

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.