Side by side

Seiko Prospex SPEEDTIMERvsYema Navygraf Pearl CMM.20

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
Navygraf Pearl CMM.20
YemaNavygraf Pearl CMM.20
MSRP $1,862

At a glance

15 of 29 specs differ
Diameter
Prospex SPEEDTIMER42mm
Navygraf Pearl CMM.2039mm
Power Reserve
Prospex SPEEDTIMER40h
Navygraf Pearl CMM.2040h
Water Resistance
Prospex SPEEDTIMER100m
Navygraf Pearl CMM.20100m
MSRP
Prospex SPEEDTIMER$2,200
Navygraf Pearl CMM.20$1,862

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
39mm
Thickness
12.9mm
9.75mm
Lug-to-Lug
49.6mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Dial Color
Black
Pearl
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
5X83
Yema CMM.20
Type
Quartz
Automatic
Jewels
14
25

Pricing

1 specs
MSRP
$2,200
$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 SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

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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