Side by side

Seiko King TurtlevsBoldr Venture

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

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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.

From video reviewers

The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.

Boldr Venture

The Boldr Venture is widely praised for its lightweight and durable titanium case, excellent finishing, and comfortable wearability, with owners noting its legibility and good lume on the navy dial. It features a scratch-resistant sapphire crystal and 200m water resistance, making it suitable for daily wear. The included Expedition Canvas Strap is described as beautiful and comfortable. Overall, owners rate the Boldr Venture highly for its comfortable and durable titanium construction and excellent legibility.

From video reviewers

The 38mm case size is a significant strength, catering to smaller wrists. The lume is outstanding. The smaller case size is a potential drawback.

At a glance

13 of 29 specs differ
Diameter
King Turtle45mm
Venture38mm
Power Reserve
King Turtle41h
Venture
Water Resistance
King Turtle200m
Venture200m
MSRP
King Turtle$650
Venture$339

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
45mm
38mm
Thickness
13.2mm
12mm
Lug-to-Lug
47.7mm
44mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black Dawn
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$650
$339
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