Seiko Prospex SeavsWilliam Wood Valiant

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Seiko Prospex Sea

MSRP $1,100

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Buy from Seiko Used on eBay

William Wood Valiant

MSRP $820

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Buy from William Wood Used on eBay

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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.

Prospex Sea

Valiant

Diameter

Across the case, crown excluded.

41.3mm

41mm

Lug-to-Lug

The number that decides fit.

48.2mm

lowest

49mm

Thickness

How it sits under a cuff.

12.5mm

lowest

15mm

Water Resistance

Rated in meters.

300m

highest

100m

Power Reserve

How long it runs off the wrist.

72h

n/a

MSRP

Sticker price, new.

$1,100

$820

lowest

Movement

What drives the hands.

Seiko 6R55

Seiko NH35

Spec

Prospex Sea

Valiant

Case

5 specs

Diameter

41.3mm

41mm

Thickness

12.5mm

15mm

Lug-to-Lug

48.2mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Anti-reflective coating on inner surface

n/a

Dial Color

n/a

Black

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 6R55

Seiko NH35

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$1,100

$820

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Reviews

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

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.

A Blog to Watch·6

William Wood Valiant

Owners praise the William Wood Valiant's unique, conversation-starting design inspired by British Fire Exit signs, featuring a gunmetal gray PVD-coated 41mm steel case and a strap made from recycled fire hose. Reviewers highlight the playful "Fire Exit man" graphics on the day/date indicators and rotor as notable elements. One owner considers the price of over £900 to be excessive. The watch uses a Seiko NH35 automatic movement and is water-resistant to 100 meters. On balance, owners and reviewers appreciate the William Wood Valiant for its distinctive theme and use of upcycled materials, despite some finding the price high.

From video reviewers

The case finishing is praised for its unique use of upcycled firefighting materials. The price is considered high relative to the movement specifications.