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Seiko Presage Cocktail Time HCB006J1 Watch
The Seiko Presage Cocktail Time HCB006J1 is a men's automatic GMT watch with a 40.5 mm diameter, part of a limited edition of 6,000 pieces marking Seiko's 145th anniversary. Its stainless steel case houses a purple “Edo Murasaki” dial with a radial pattern and gold accents, protected by a box-shaped Hardlex crystal.
The dial features hours, minutes and seconds hands, a 24-hour GMT hand and a date window at 3 o'clock. The applied indices and gold hands contrast with the purple background with radial pattern. The case back is screwed and transparent, with the “LIMITED EDITION” inscription, and reveals the movement in operation.
The Seiko 4R34 calibre offers 24 jewels, a 41-hour power reserve and a declared accuracy of +45 to -35 seconds per day. It includes manual winding and hacking. Water resistance is 5 bar (50 m) and magnetic resistance is 4,800 A/m. The stainless steel bracelet fastens with a deployant clasp with push-button. Reference HCB006J1 identifies this 145th anniversary limited edition within the Presage Cocktail Time collection.
Limited Edition 6,000 Pieces Seiko 145th Anniversary 4R34 Automatic GMT Edo Murasaki Dial
Why choose this watch?
The Seiko HCB006J1 is aimed at those looking for an automatic men's watch with a culturally charged dial and a practical GMT function. Its status as a GMT watch with a 24-hour hand allows you to consult a second reference time zone, useful for those who work with international contacts or follow schedules in other countries. The “Edo Murasaki” dial pays homage to the traditional Japanese purple associated with the city of Edo (present-day Tokyo), a detail that distinguishes this version from other Cocktail Time dials. The limited edition of 6,000 units and the 145th anniversary commemorative inscription on the case back add a verifiable layer of exclusivity. The 40.5 mm case and box-shaped Hardlex crystal complete a package that prioritises visual identity and automatic mechanics without unnecessary adornment.
Technical specifications
Movement
- Type: automatic (mechanical self-winding).
- Calibre: Seiko 4R34.
- Jewels: 24.
- Power reserve: 41 hours.
- Declared accuracy: +45 to -35 seconds per day.
- Functions: hours, minutes, seconds, date and 24-hour GMT hand. Manual winding and hacking.
Case and dimensions
- Reference: HCB006J1.
- Brand: Seiko.
- Collection: Presage Cocktail Time.
- Edition: limited to 6,000 pieces (145th anniversary).
- Case material: stainless steel.
- Diameter: 40.5 mm.
- Thickness: 12.8 mm.
- Lug to lug: 47.5 mm.
- Lug width: 20 mm.
- Case back: screwed and transparent, with “LIMITED EDITION” inscription.
- Water resistance: 5 bar (50 m).
- Magnetic resistance: 4,800 A/m.
Dial, crystal and bracelet
- Dial: purple “Edo Murasaki”, with radial pattern and gold accents.
- Indices: applied.
- Hands: gold, with 24-hour GMT hand.
- Crystal: box-shaped Hardlex.
- Bracelet: stainless steel.
- Clasp: deployant with push-button.
- Gender: men.
Frequently asked questions
Does the GMT hand on the Seiko Presage HCB006J1 allow independent adjustment of local time?
No. The 4R34 calibre is what is known as an “office GMT”. Its 24-hour hand offers a second time zone, but it does not allow the local hours hand to be adjusted in isolation. To change the main time, you must move the hours and minutes hands, then readjust the GMT hand. It is a practical function for consulting a second reference time zone, but it is not designed to change time zones quickly and frequently during a trip.
Is the purple colour of the dial as intense as in the photos?
The “Edo Murasaki” tone is a deep purple with nuances that vary with light. Under direct light it shows its most saturated face, while indoors it tends towards a more muted and darker tone. The radial pattern and gold accents accentuate the contrast. Product photographs tend to show the colour at its most vivid, so expect a natural variation depending on the lighting.
Are the 6,000 units of the HCB006J1 individually numbered?
No. The case back bears the “LIMITED EDITION” inscription and the 145th anniversary motif, but the units do not include an individual number identifying their position within the series. The limitation is evidenced by the commemorative inscription and the reference itself, not by piece-by-piece numbering.
