Honma D1
The Honma D1 is a two-piece, single cover golf ball with 368 dimples, made by Honma Golf Co. Ltd. in Japan. Its manufacturer declares low with driver, medium with short iron spin. It appears on the R&A and USGA List of Conforming Golf Balls effective 2 September 2026 to 6 October 2026, under identifier RC2025-0974.
What the official list says
- Pole markingsWhat is printed on the two poles of the ball: usually brand and model.
- Honma with logo in O
- Seam markingsWhat is printed on the equator: alignment line, number, minor text.
- ◆ D1 ◆ (alignment line) with solid band in red and checkered band in black/white above and below
- Cover colour
- white
- Construction
- two-piece, single cover2P-1c
- Covers
- single cover
- Driver spin
- low
- Short-iron spin
- medium
- Spin profile
- low with driver, medium with short ironL-M
- Dimples
- 368
- Manufacturer
- Honma Golf Co. Ltd.
- Country
- Japan
- Identifier
- RC2025-0974
Data from the List of Conforming Golf Balls (USGA and R&A), edition effective 2 September 2026 to 6 October 2026. The list itself is the only valid source for a ruling. See the official list at The R&A ↗
Frequently asked
Is the Honma D1 conforming for competition play?
Yes: it is on the R&A and USGA List of Conforming Golf Balls effective until 6 October 2026. For a ruling, always check the current edition of the official list.
How many pieces does the Honma D1 have?
According to the manufacturer it is a two-piece, single cover ball (code 2P-1c on the official list).
How many dimples does the Honma D1 have?
368 dimples, as declared by Honma Golf Co. Ltd. on the official list.
What is printed on the Honma D1?
On the poles: Honma with logo in O. On the equator: é D1 é (alignment line) with solid band in red and checkered band in black/white above and below. Markings identify the ball on the conforming list; the play number does not count as a marking.