Release rule

How to Book Seisoka: Reservation Release Day, Phone and Rules (2026)

青草窠 · Minami-Azabu (Hiroo), Tokyo · Kaiseki · Lunch & dinner

How to book this house

Phone in Japanese (03-3473-3103) or the Gnavi executive-booking page; reservation-only with no published release day. Book a few weeks ahead for the six-seat counter or a room; closed Sundays.

Next release
No release day — book any time

This house books only by phone, in Japanese. Our Tokyo desk can make the call on release day: ¥12,000 per seat, only if we secure it. Ask the desk →

Where bookings are taken
Phone only
Lunch / dinner
Lunch & dinner

From the house's hours on Tabelog (checked October 2026).

Phone line
Not published; +81-3-3473-3103 (lunch 12:00–14:30, dinner 17:30–, closed Sun)
If a seat comes back

This house takes bookings only by phone, so there is no online vacancy alert.

About this house

One MICHELIN Star (MICHELIN Guide Japan 2026). 25 seats including a tea room; former Tabelog Bronze.

Read more

Reservation-only; no online channel.

Allergies or dietary needs? Make a Japanese dining card →

Next release days

No release day — book any time

Last verified September 7, 2026 · checked by our desk October 4, 2026

Source for the booking rule: the house's official site (guide.michelin.com), read October 11, 2026.

All times are Japan Standard Time (UTC+9).

More houses in Minami-Azabu (Hiroo), Tokyo

More Kaiseki in the same region

All houses in Tokyo →

When does Seisoka open its reservation book?

Phone in Japanese (03-3473-3103) or the Gnavi executive-booking page; reservation-only with no published release day. Book a few weeks ahead for the six-seat counter or a room; closed Sundays. All times are Japan Standard Time (UTC+9).

How do I book Seisoka from abroad?

Seisoka takes reservations by phone in Japanese only. Phone line: Not published; +81-3-3473-3103 (lunch 12:00–14:30, dinner 17:30–, closed Sun). From abroad, either call at those hours or have a Japanese speaker call for you. If you would rather not, our Tokyo desk can request it for you: ¥12,000 per seat, charged only if the table is secured. A free release-date alert emails you the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the opening time is known; houses that open a little every day come in a weekly summary.

What time zone is the release time?

All times are Japan Standard Time (UTC+9). Release days are computed from the house's published rule and re-checked monthly.

More release days in Tokyo

Tokyo: when hard-to-book restaurants open reservations →

Request this table — our Tokyo desk calls in Japanese on release day · ¥12,000 per seat, only if secured →

← All 1,504 houses in the booking calendar

Rules are verified against official notices and platform listings and re-checked monthly. Houses change their systems without warning; treat the calendar as a planning tool. For restaurants in our collection, our desk confirms the specifics for your dates when you request.