Side by side

Seiko King TurtlevsStudio Underd0g Goofy Panda (Gen3)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

The bottom line

The 38.5mm Goofy Panda (Gen3) wears 6.5mm narrower than the 45mm King Turtle — that's a meaningful jump on most wrists.

What people say

Owners + reviewers, side by side

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

Seiko King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

Studio Underd0g Goofy Panda (Gen3)

Owners widely praise the Studio Underd0g Goofy Panda (Gen3) for its fun, playful personality and attractive, well-executed textured degradé dial, finding it a cool and versatile watch for daily wear at a fair price point. The 38.5mm case size and sapphire crystal are noted as positives, with some finding it looks better in person than in photos. However, some owners consider the Studio Underd0g Goofy Panda (Gen3) overpriced for its Seagull ST-1901 movement, with a few expressing concerns about movement reliability, with one reporting their watch stopped after only a few hours. On balance, owners and reviewers find the Studio Underd0g Goofy Panda (Gen3) a joy to own due to its unique design and dial execution at its price.

Where to get them

Check prices & track

Seiko King Turtle
Seiko King Turtle
MSRP $650
Studio Underd0g Goofy Panda (Gen3)
Studio Underd0g Goofy Panda (Gen3)
MSRP $550
King Turtle
SeikoKing Turtle
MSRP $650
Goofy Panda (Gen3)
Studio Underd0gGoofy Panda (Gen3)
MSRP $550

At a glance

13 of 29 specs differ
Diameter
King Turtle45mm
Goofy Panda (Gen3)38.5mm
Power Reserve
King Turtle41h
Goofy Panda (Gen3)40h
Water Resistance
King Turtle200m
Goofy Panda (Gen3)
MSRP
King Turtle$650
Goofy Panda (Gen3)$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
45mm
38.5mm
Thickness
13.2mm
Lug-to-Lug
47.7mm
Lug Width
22mm
Water Resistance
200m

Crystal & Dial

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

Movement

3 specs
Caliber
4R36
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$650
$550

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