Seed SD X1
The Seed SD X1 is a three-piece, single cover golf ball with 318 dimples, made by Seed Golf Ltd in Ireland. Its manufacturer declares low with driver, high 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 RC2026-0059.
What the official list says
- Pole markingsWhat is printed on the two poles of the ball: usually brand and model.
- Seed with target symbol in green/black/white
- Seam markingsWhat is printed on the equator: alignment line, number, minor text.
- ◆ SEED SD ◆ X1 ◆
- Cover colour
- white
- Construction
- three-piece, single cover3P-1c
- Covers
- single cover
- Driver spin
- low
- Short-iron spin
- high
- Spin profile
- low with driver, high with short ironL-H
- Dimples
- 318
- Manufacturer
- Seed Golf Ltd
- Country
- Ireland
- Identifier
- RC2026-0059
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 Seed SD X1 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 Seed SD X1 have?
According to the manufacturer it is a three-piece, single cover ball (code 3P-1c on the official list).
How many dimples does the Seed SD X1 have?
318 dimples, as declared by Seed Golf Ltd on the official list.
What is printed on the Seed SD X1?
On the poles: Seed with target symbol in green/black/white. On the equator: é SEED SDËX1 é. Markings identify the ball on the conforming list; the play number does not count as a marking.