Seiko SKX Modified 'Boston Dynamics' Edition (Custom Build)
Dive Watch / Custom Mod · Aftermarket Custom (based on Seiko components). Boston Dynamics logo is a custom printing/dial modification.
Period: Modern Tool Watch / Custom Horology (2020s)
Type
Dive Watch / Custom Mod
Brand
Aftermarket Custom (based on Seiko components). Boston Dynamics logo is a custom printing/dial modification.
Movement
Automatic, likely Seiko Caliber 7S26 (as indicated by the dial text), featured at 21,600 bph with approximately 40 hours of power reserve.
Dimensions
Diameter: 42mm; Thickness: 13.5mm; Lug-to-Lug: 46mm; Lug Width: 22mm.
Description
This is a bespoke 'Seiko Mod' that blends the robust architecture of the legendary SKX dive watch with a theme inspired by the robotics company Boston Dynamics. It features a stealthy black PVD coating, a high-end ceramic bezel insert, and a pop of color via the blue lightning bolt seconds hand, creating a high-tech, industrial aesthetic.
Key Features
Boston Dynamics dial branding, 4 o'clock crown, Mercedes hands, and the 'Yacht-Master' style raised relief bezel insert.
Dial Description
Matte black dial featuring the 'Boston Dynamics' logo in white. Indices are applied rounds with a triangular marker at 12. Hands include a black Mercedes hour hand, a sword minute hand, and a custom blue lightning-bolt seconds hand. Day-date window at 3 o'clock.
Case Material
PVD Coated Stainless Steel (Black finish), likely based on an SKX007 case architecture with a matte/satin finish.
Crystal Type
Flat sapphire or Hardlex mineral crystal; aftermarket replacement common in these builds.
Bezel Details
Unidirectional rotating bezel with a matte black 'Yacht-Master' style ceramic insert featuring raised, polished numerals.
Crown & Pushers
Screw-down crown located at the 4 o'clock position (distinctive of the Seiko SKX/NH series), black PVD coated.
Bracelet or Strap
Integrated-style curved end blue rubber/FKM strap with a tang buckle or deployant clasp.
Caseback Details
Likely a solid screw-down stainless steel caseback, though some mods use exhibition glass to show the Seiko movement.
Movement Type
Automatic, likely Seiko Caliber 7S26 (as indicated by the dial text), featured at 21,600 bph with approximately 40 hours of power reserve.
Water Resistance
Rated to 200m (based on original SKX specs), but practically 50m-100m for custom builds unless professionally pressure tested.
Origin & Provenance
Japanese Movement/Components; assembled by a third-party watch modder (USA or International).
Age Estimate
Modern production, likely assembled within the last 3-5 years (circa 2020-2024).
Cultural Significance
Represents the modern 'Modding' culture where enthusiasts create one-of-one pieces that combine luxury design cues (like the Rolex-style bezel) with affordable, reliable Japanese movements.
Condition Notes
Very Good condition with minor signs of wear on the bezel edge. The PVD coating appears intact. Dial and hands are clean.
Value Estimate
$250 - $450 USD. Value is based on the quality of the parts used and the uniqueness of the custom dial branding.
Care & Maintenance
Water resistance should be pressure tested if diving, as custom seals can vary. Clean the rubber strap with mild soap and water. Movement service recommended every 5-7 years.
Similar Watches
Seiko SKX007 (Original), Rolex Yacht-Master 42 (Design inspiration), Seiko 5 Sports '5KX' Street Series.
Interesting Facts
The 'Seiko Modding' community is vast, and this specific piece is likely a 'Company Gift' or a custom tribute to the famous robotics firm known for 'Spot' and 'Atlas'.