Side by side

Seiko King TurtlevsWilliam Wood Fearless

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

King Turtle
SeikoKing Turtle
MSRP $650
Fearless
William WoodFearless
MSRP $920

At a glance

12 of 29 specs differ
Diameter
King Turtle45mm
Fearless39mm
Power Reserve
King Turtle41h
Fearless40h
Water Resistance
King Turtle200m
Fearless100m
MSRP
King Turtle$650
Fearless$920

Full specifications

Case

5 specs
Diameter
45mm
39mm
Thickness
13.2mm
14mm
Lug-to-Lug
47.7mm
39mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
4R36
Seiko NH35
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$650
$920

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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.

William Wood Fearless

The William Wood Fearless is noted for its wearable 39mm case size and comfortable 45mm lug-to-lug, with a matte black ion-plated finish and colorful rehaut accents. Reviewers highlight its recycled fire hose strap and 100m water resistance, stemming from its firefighter heritage. The Seiko NH35 movement is considered accurate for its price point. On balance, reviewers find the William Wood Fearless to be a well-finished field watch with unique heritage elements.

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