Side by side

Seiko Prospex SeavsBoldr The Boys

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

Prospex Sea
SeikoProspex Sea
MSRP $1,100
The Boys
BoldrThe Boys
MSRP $299
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

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

Boldr The Boys

Boldr The Boys is praised for its lightweight, durable titanium case, ergonomic lugs, and excellent legibility with strong lume. Owners note the competitive price and good customer service, while reviewers highlight the reliable SII NH35A movement and 200m water resistance. Some owners report that titanium scratches easily and question the brand's history and recognition. On balance, owners and reviewers rate Boldr The Boys highly for its practical features and value at $299.

At a glance

13 of 29 specs differ
Diameter
Prospex Sea41.3mm
The Boys38mm
Power Reserve
Prospex Sea72h
The Boys40h
Water Resistance
Prospex Sea300m
The Boys200m
MSRP
Prospex Sea$1,100
The Boys$299

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
41.3mm
38mm
Thickness
12.5mm
12mm
Lug-to-Lug
48.2mm
44mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
The Boys' Brigade 90th Anniversary Edition
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

3 specs
Caliber
6R55
Seiko NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,100
$299
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