1973 Seiko 6138-3002 "Jumbo" Chronograph

Seiko, a company that originated in Japan, founded in 1881, has been a household name for timepieces for generations. Seiko was the official timekeeper for multiple Olympic Games, Fifa World cups, and continues to be the official timekeeper for the IAAF World Championships. Famous for producing the world's first Quartz movement adopted by most timepiece manufacturers today. Seiko is still a beloved watch manufacturer today because of their attention to detail, precision, and affordability. This specific Seiko features the 6138 movement is an amazingly historical movement that was way ahead of its time when first produced, challenging its Swiss counterparts due to its extreme precision and accuracy

This specific piece being the 3002 reference, nicknamed "Jumbo" for its large face and case size, is in amazing condition with only showing minimal patina from general wear. This reference wears beautifully on the wrist due to its substantial presence and striking color scheme, Perfect for the man who prefers subtle sophistication on a very functional everyday driver! Worn perfectly on bracelet for a more professional presence with dress attire, but just as easily worn on strap for a more laid-back casual style.

Stock # SKCJ73
Brand Seiko
Style Chronograph
Model Chronograph
Serial 351,XXX
Size Men's
Material SS
Dial Black
Millimeters 42mm

Seiko bracelet


The case is in good condition with previously being polished and an overall slight "lived-in" patina. The Crystal is in perfect condition showing no scratches or chips. The bracelet is showing medium stretch from general use and age. Overall great condition for a piece of this era.


The Dial is immaculate with little to no showings of patina, all lume dots are present and original. The hands are in perfect original condition with no signs of lume degradation. 


None. Watch was recently serviced and is running at COSC spec and comes with 1 year warranty on movement.