Side by side

Seiko Prospex Sea The Black SeriesvsTimefactors PRS-44

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

Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765
PRS-44
TimefactorsPRS-44
MSRP $705
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 Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

Timefactors PRS-44

Owners widely praise the Timefactors PRS for its machining and design, with many finding its 40mm sizing and short lug-to-lug distance wear well. Some owners report the lume fades faster than expected. The purchase process can be difficult due to limited availability. Overall, owners rate the Timefactors PRS highly for its machining and wearability at the price point.

At a glance

12 of 29 specs differ
Diameter
Prospex Sea The Black Series45mm
PRS-4442mm
Power Reserve
Prospex Sea The Black Series41h
PRS-44
Water Resistance
Prospex Sea The Black Series200m
PRS-44300m
MSRP
Prospex Sea The Black Series$765
PRS-44$705

Full specifications

Case

5 specs
Category
Diver
Diameter
45mm
42mm
Thickness
13.2mm
13mm
Lug-to-Lug
47.7mm
50mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
4R36
ETA2824
Power Reserve
41h
Jewels
24
25

Pricing

1 specs
MSRP
$765
$705
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