Certina DS Action Diver ChronovsSeiko 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.

Certina DS Action Diver Chrono at true scale

DS Action Diver Chrono

Seiko King Turtle at true scale

King Turtle

Diameter

44.6mm

45mm

Lug-to-Lug

52.6mm

47.7mm

lowest

Thickness

16.2mm

13.2mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$2,219

$650

lowest

Movement

Tissot Valjoux A05.231

Seiko 4R36

Case

5 specs
Diameter
44.6mm
45mm
Thickness
16.17mm
13.2mm
Lug-to-Lug
52.58mm
47.7mm
Lug Width
21mm
22mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Tissot Valjoux A05.231
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$2,219
$650
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Reviews

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

Certina DS Action Diver Chrono

Owners widely praise the Certina DS Action Diver Chrono for its excellent value and high-end feel, with many considering it one of the best Swiss or Japanese divers under $2000. Reviewers and owners alike highlight its robust build, attractive design, and well-finished case, with some preferring the contrast of the steel version for readability. One owner notes the chronograph totaliser lacks lume, and another finds the 21mm lug width inconvenient for strap changes. The Certina DS Action Diver Chrono is powered by the Tissot Valjoux A05.231 automatic movement and has a 68-hour power reserve, though one owner mentions a low reserve requiring daily winding if not worn extensively. Overall, owners rate the Certina DS Action Diver Chrono highly for its exceptional quality and value at its price point.

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.