Grand Seiko Sport 3-DAY-GMT-SBGE307

The Grand Seiko Sport 3-DAY-GMT-SBGE307 takes a 23 mm watch band.

Grand Seiko · Sport

23mm

lug width

Sizing notes

Any 23 mm band fits this reference, in leather, rubber or fabric.
23 mm is an odd size: most ready-made bands are made in even widths, so this reference needs one cut to measure or a band that runs in odd sizes. Why some watches take odd sizes →
Inside the Sport family the lug width is not one number: it runs 19, 20, 21, 22, 23 mm. This reference is the 23 mm one, so a band bought for another Sport may not fit it. Why the size changes inside a family →
23 mm is not a common size: only 655 of the 41,485 watches measured take it (1.6%), so ready-made choice at this width is narrower than at 20 or 22 mm. Every watch that takes 23 mm →