Side by side

Seiko Prospex SeavsBoldr Venture

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

Prospex Sea
SeikoProspex Sea
MSRP $1,100
Venture
BoldrVenture
MSRP $339
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 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.

At a glance

13 of 29 specs differ
Diameter
Prospex Sea41.3mm
Venture38mm
Power Reserve
Prospex Sea72h
Venture40h
Water Resistance
Prospex Sea300m
Venture200m
MSRP
Prospex Sea$1,100
Venture$339

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
Black Dawn
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
$339
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Seiko Prospex Sea vs Boldr Venture gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.