2006 Seiko 7S26-0350 SKX779 Black Monster

This Seiko 7S26-0350 Black Monster is a modern dive classic that helped define Seiko’s early 2000s tool watch era. Known for its aggressive bezel, oversized LumiBrite markers, and bold wrist presence, the “Black Monster” earned its nickname from its unmistakable design and rugged capability. Powered by Seiko’s dependable in-house 7S26 automatic movement with day and date functionality, it offers 200 meters of water resistance and true everyday durability. Recently serviced and running strong, this example is ready for years of reliable wear. Whether you are a seasoned Seiko collector or looking for a distinctive automatic diver with personality, the Black Monster remains one of the most iconic value-driven dive watches ever produced.

Caliber: 7S26
Date of Production: 2006
Serial: 611051
Movement Action: Automatic, non-hacking non-hand winding
No. Jewels: 21
Date of Service: 2/1/2026
Features: Uni-Directional Bezel, Day-Date, Bracelet Expansion clasp for dive suit
Dial: Black with Green Lume
Crystal: OG Sapphire
Bezel: Uni-Directional
Case: Stainless Steel
Case Back: Screw In
Crown: Screw Down Stainless Steel
Bracelet: Stainless Steel
Clasp: Seiko Folder over w/ dive suit expansion clasp
Max Wrist Size: 7.75"
Lug to Lug: 47.5 mm
Case Diameter without Crown: 42.3 mm
Case Diameter with Crown: 46.5 mm
Case Thickness: 13 mm