Seiko 5 7S26-01V0 – Classic Seiko 5 DNA, Modern Interpretation with a Transparent Case!
Released in the mid-2000s, the Seiko 5 7S26-01V0 combines the brand's "everyday plug-and-play" philosophy with a simple and robust design. With its dark gray-black dial featuring the repetitive "5" logo, baton indices, and day-date window, the model offers a modern yet retro look. The transparent case back allows you to watch the legendary 7S26C caliber in action.
Movement
Caliber: Seiko 7S26C
Type: Automatic, bidirectional rotor (manual winding and hack-free)
Number of Jewels: 21 Jewels
Frequency: 21,600 vph (3 Hz)
Functions: Hours, minutes, seconds, day + date (dual-tongue) quick change
Features: Diaflex spring, Diashock shock protection, low maintenance
The 7S26C is the mature version of the 7S family, known for its durability, parts availability, and stability. It offers a ~40-hour power reserve and forms the basis of the 4R/6R generations.
Case and Glass
Reference No: 7S26-01V0
Production Period: 2006–2011 (7S26C era)
Diameter: ~37mm (excluding lugs)
Thickness: ~11mm
Material: Stainless steel (marked ST. STEEL)
Glass: Hardlex crystal
Case Back: Transparent (display back) – “Seiko Time Corp. / 7S26C” engraving visible
Water Resistance: 30m (3 ATM)
Dial: Dark gray-black, textured with a repeating Seiko 5 motif; baton indices
Bracelet: Stainless steel bracelet with the original Seiko 5 signature, clasp with embossed logo
Design Details
The micro “5” pattern on the dial creates a sense of depth when illuminated.
The silver-rimmed day-date window at 3 o'clock is legible and well-balanced.
Luminous inlays on the large hour and minute hands and indices enhance night vision.
The pillow-shaped case sits comfortably on the wrist and maintains classic Seiko ergonomics.
Set Contents / Condition
Original Seiko box
User manual (7S25/7S26/7S36 series)
Tag, spare bracelet lugs
Additional leather strap
The watch is generally in very good cosmetic and fully functional condition (example in the photos).
Why Valued?
An Icon of Everyday Use: The Seiko 5's durability, price, and performance ratio are clearly evident in this reference.
7S with Clear Case: Display-backed versions of the 7S26C are no longer produced; they offer high collectible potential.
Timeless Minimalism: Logo-printed texture, baton indices, and a simple case—a timeless aesthetic.
Technical Specifications (Summary)
Feature Value
Reference 7S26-01V0
Caliber 7S26C, automatic, 21 jewels
Power Reserve ~40 hours
Frequency 21,600 vph
Functions Hour, minute, second, day & date (dual-tongue)
Case / Diameter Stainless steel / ~37–38 mm
Glass Hardlex
Transparent display back
Water resistance 30 m (3 ATM)
Bracelet Genuine steel, clasp with SEIKO 5 logo
Final Word
The Seiko 5 7S26-01V0 is not just a reliable automatic watch; it reflects Seiko's design philosophy of uncompromising refinement, even in daily wear.
Through the transparent case back, you can watch the movement breathe and feel the dance of light on the black textured dial.
This model reminds us why the "simple yet characterful" Seiko 5 is still appreciated around the world.
Whether it's a collector's item or a daily companion on your wrist, the 7S26-01V0 is a timeless Seiko classic.
The item you're viewing was manufactured in 2000.
Professionally overhauled and FULLY SERVICED (the movement is completely disassembled, its components cleaned, oiled, and adjusted), your watch will function flawlessly without any surprises. (It's maintenance-free for 3 years unless exposed to direct water or high humidity for extended periods.)
Item Condition: Tested and fully functional.
