Seiko Automatic 6R15C – Japan Made, Ref. 6R15-02MO (April 2015)

An elegant Japanese automatic watch with a classic design, crafted in Japan and equipped with the high-quality Seiko caliber 6R15C – a movement renowned for its durability, reliability, and precise timekeeping. This model offers an ideal balance between understated aesthetics and technical sophistication, making it appealing to both everyday wearers and collectors of Japanese mechanical watches.

The condition is very good with only minimal signs of use; no box or paper set, but technically and visually in excellent condition.

Design and features

The watch impresses with its minimalist, balanced design: a deep black dial with a fine vertical pinstripe pattern, applied polished indices, and dauphine-shaped hands. The date window at 3 o'clock is discreetly framed, giving the dial a symmetrical and clean appearance.

The case is made of polished and satin-finished stainless steel, harmoniously integrated into the solid link bracelet with a double folding clasp. The sapphire crystal case back allows a view of the automatic 6R15C movement – ​​a mechanical movement with 23 jewels , automatic winding, and manual winding capability.

Movement: Seiko 6R15C

The 6R15 is a traditional mid-range automatic movement from Seiko with Parashock shock protection and approximately 50 hours of power reserve .
Technically, it is based on the caliber 7S26, but has been refined: it features manual winding and a hacking seconds function , allowing for precise setting. The caliber 6R15C is considered extremely reliable and is also used in many models of the Seiko Presage and SARB series.

Engravings on the rotor and the movement plate: “Seiko Time Corp. – 23 Jewels – Japan 6R15C”

Technical data

• Model: Seiko Automatic 6R15C
• Reference: 6T15-02MO
• Serial number: 54xxxx
• Movement: Automatic, Seiko 6R15C (23 Jewels, manual winding & hacking seconds)
• Origin: Made in Japan
• Power reserve: approx. 50 hours
• Case material: Stainless steel (polished / satin finish)
• Glass: Hardlex (front), mineral glass back
• Diameter: 40.2 mm (excluding crown)
• Height: 11.4 mm
• Lug-to-lug: 47.4 mm
• Lug width: 20 mm
• Bracelet: Original stainless steel bracelet with double folding clasp
• Wrist circumference: up to approx. 18.5 cm
• Weight: 142 g (including strap)
• Dial: Black with vertical stripe decoration, applied indices
• Display: Hour, Minute, Second, Date
• Water resistance: 10 bar
• Condition: Very good, minimal signs of wear, no box/paper set

Special features

• Proven 6R15C caliber with long power reserve
• Elegant black "pinstripe" dial
• Japanese manufacturing ( Made in Japan )
• Display base with signed rotor
• Classic design with modern comfort

Notice / Warranty

Warranty (used)
This is a used item. The limitation period for claims based on defects (statutory warranty) is 12 months from delivery.

Notice
As this is a used watch, water resistance cannot be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.