Stock #69110

Pre-owned Grand Seiko Heritage Spring Drive Automatic 40mm SBGA439

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Case: Brushed & polished stainless steel case. Dark deep midnight blue dial with a very fin sunray finish. Brushed & polished faceted hour & minute hands. Polished central seconds hand. Applied brushed & polished faceted index hour markers. Fine printed minutes/seconds track. Date window at 3 o'clock.
  • Power Reserve Indicator:
    • Located between 7 & 8 o'clock.
Bracelet: Fitted on its original brushed & polished edges stainless steel bracelet with a push-button deployant clasp. The bracelet is fully linked & will fit up to an 8" wrist.

Movement: Powered by a Grand Seiko Spring Drive caliber 9r65: The Spring Drive movement is for the most part mechanical, but with an electrical powered regulating mechanism resulting in an extremely accurate timepiece.
  • No external source of power (such as a battery) is required.
  • The unwinding force of the mainspring generates a slight electrical current. The electrical power is then used to activate & power a quartz oscillator which vibrates at 32,786 Hz & transmits a precise reference signal to the Integrated Circuit.
  • The IC compares the speed from the oscillator to the speed of the glide wheel (which drives the gears) and applies a magnetic brake when it detects the glide-wheel turning too fast.
  • The seconds hand moves in a continuous extremely smooth gliding motion and is accurate up to +/- 1 second per day.
  • Contains 30 jewels & has an approximate power reserve of 72 hours (3 days).
Condition: In excellent near-new condition. Worn a handful of times only. We have chosen not to polish or even buff this watch in order to maintain the original factory 'zaratsu' finishing. We would be comfortable grading this watch at 98% overall condition. Delivered in its original box with all papers.

Watch Features: Power Reserve Indicator
Box Original Box
Papers All Papers Warranty Dated 02/2026
Factory Warranty Time remaining, expires: 02/01/2028
Year 2026
Size Mens
Case Dimensions 40.00 mm
Case Thickness 12.30 mm
Lug Width 20 mm
Case Material Stainless Steel
Dial Color Blue
Crystal Scratch Resistant Sapphire
Screw-in Crown Yes
Band Material Stainless Steel
Band Color Brushed
Buckle Push-Button Deployant
Case Back Solid
Movement Automatic
Water Resistance 100m/330ft
Pre-owned Grand Seiko Heritage Spring Drive Automatic 40mm SBGA439
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