Seiko Prospex LX SNR029 vs Seiko Prospex Speedtimer SSC813

SpecificationSeiko Prospex LX SNR029Seiko Prospex Speedtimer SSC813
BrandSeikoSeiko
CollectionProspexProspex
ReferenceSNR029SSC813
CategoryDiveChronograph
Movement TypeSpring DriveSolar
CaliberSeiko 5R65Seiko V192
Power Reserve72h168h
Frequency28,800 vph32,768 vph
Case Diameter44.8mm39.0mm
Case Thickness15.7mm13.3mm
Case MaterialTitaniumStainless Steel
CrystalSapphire with anti-reflective coatingSapphire
Water Resistance300m / 984ft100m / 328ft
Weight140g147g
MSRP$5,400$400
Market Price$4,800$350

In-Depth Comparison

The Seiko Prospex LX SNR029 and the Seiko Prospex Speedtimer SSC813 represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Seiko and Seiko is a brand that needs no introduction. Comparing two models from the same manufacturer comes down to purpose, design philosophy, and intended use case. Both watches hail from Japan, benefiting from the region's deep horological tradition. This particular Prospex reference was introduced in 2019, while this Prospex reference debuted in 2021. The Seiko Prospex Speedtimer SSC813 is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Seiko Prospex LX SNR029 beats the Seiko 5R65 caliber offering a 72-hour power reserve running at 28,800 vph with 30 jewels. The Seiko Prospex Speedtimer SSC813 is powered by the Seiko V192 with a 168-hour power reserve operating at 32,768 vph. The Seiko Prospex Speedtimer SSC813 wins on power reserve with a 96-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Seiko Prospex LX SNR029 features a 44.8mm case at 15.7mm thick with a 51.0mm lug-to-lug measurement, crafted in Titanium. The Seiko Prospex Speedtimer SSC813 comes in at 39.0mm and 13.3mm thick with 46.0mm lug-to-lug, constructed from Stainless Steel. The Seiko Prospex Speedtimer SSC813 wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 140g, the Seiko Prospex LX SNR029 is the lighter of the two.

Materials And Construction

The Seiko Prospex LX SNR029 uses a Sapphire with anti-reflective coating crystal paired with a Unidirectional rotating ceramic bezel, while the Seiko Prospex Speedtimer SSC813 features Sapphire crystal with a Fixed tachymeter bezel. On the wrist, the Seiko Prospex LX SNR029 comes on a Titanium bracelet with Three-fold clasp with push button release and extender, while the Seiko Prospex Speedtimer SSC813 is fitted with Stainless steel bracelet featuring Three-fold clasp.

Water Resistance And Capability

The Seiko Prospex LX SNR029 is rated to 300m / 984ft and the Seiko Prospex Speedtimer SSC813 to 100m / 328ft. For serious diving or water activities, the Seiko Prospex LX SNR029 offers a meaningful advantage.

Pricing And Value

At retail, the Seiko Prospex LX SNR029 lists for $5,400 compared to $400 for the Seiko Prospex Speedtimer SSC813. The Seiko Prospex Speedtimer SSC813 is the more accessible option at MSRP, saving $5,000 at retail. On the secondary market, the Seiko Prospex LX SNR029 trades around $4,800 while the Seiko Prospex Speedtimer SSC813 commands approximately $350.

The Verdict

Choosing between the Seiko Prospex LX SNR029 and the Seiko Prospex Speedtimer SSC813 ultimately comes down to personal priorities. For diving and water sports, the Seiko Prospex LX SNR029 is the stronger choice. for value-conscious buyers, the Seiko Prospex Speedtimer SSC813 delivers excellent quality at a lower price point. for dress occasions and smaller wrists, the Seiko Prospex Speedtimer SSC813 is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.