Side by side

Seiko Prospex Sea The Black SeriesvsYema Navygraf Pearl CMM.20

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
Navygraf Pearl CMM.20
YemaNavygraf Pearl CMM.20
MSRP $1,862

At a glance

14 of 29 specs differ
Diameter
Prospex Sea The Black Series45mm
Navygraf Pearl CMM.2039mm
Power Reserve
Prospex Sea The Black Series41h
Navygraf Pearl CMM.2040h
Water Resistance
Prospex Sea The Black Series200m
Navygraf Pearl CMM.20100m
MSRP
Prospex Sea The Black Series$765
Navygraf Pearl CMM.20$1,862

Full specifications

Case

6 specs
Diameter
45mm
39mm
Thickness
13.2mm
9.75mm
Lug-to-Lug
47.7mm
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
4R36
Yema CMM.20
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$765
$1,862

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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 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.

Yema Navygraf Pearl CMM.20

The Yema Navygraf Pearl CMM.20 is praised for its elegant and slim case design, measuring between 9.5mm and 9.75mm thick, and its unique mother-of-pearl dial and bezel. The watch features functional dive watch elements like 200-meter water resistance and is powered by the in-house CMM.20 micro-rotor movement, which offers a 70-hour power reserve and is adjusted to -3/+7 seconds a day. Overall, reviewers highlight the Yema Navygraf Pearl CMM.20's sophisticated aesthetic and slim profile as its primary strengths.

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