Side by side

Seiko Prospex SeavsWilliam Wood Fearless

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

Prospex Sea
SeikoProspex Sea
MSRP $625
Fearless
William WoodFearless
MSRP $920

At a glance

12 of 29 specs differ
Diameter
Prospex Sea43.8mm
Fearless39mm
Power Reserve
Prospex Sea41h
Fearless40h
Water Resistance
Prospex Sea200m
Fearless100m
MSRP
Prospex Sea$625
Fearless$920

Full specifications

Case

5 specs
Diameter
43.8mm
39mm
Thickness
12.8mm
14mm
Lug-to-Lug
48.7mm
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, index(es) and bezel
None

Movement

3 specs
Caliber
4R35
Seiko NH35
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$625
$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 Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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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