Case Dimensions - seikomods.com

Case No	Lug Width (mm)	Lug tip – Lug tip distance (mm)	Diameter (mm) – Excluding crown and guards	Thickness (mm) – Without caseback & bezel
700	22	46	42.5	9.5
702	22	47.6	45	9.5
705	22	46	42.5	9.5
706	20	44.5	38	9.25
707A/B	22	46	42.5	9.5
708	22	48.5	44.2	9.5
709	20	44.5	38	9.25
710*	20	50	44	11
712	20	44.5	38	9.25
713	22	46	42.5	9.5
714	20	44.5	40.5	9.25
715	20	44.5	40	9.25
716	22	49.5	42	9.5
717	22	47.5	40.5	10
718	20	44.5	39	9.5
719**	22	46	47	10.75
720***	20	45.5	38	12.5
721	20	47	42.5	10.3
722	20	47	42	9.3
723	20	46.3	45.1	11.3
724	20	42.2	47.9	9.5
725	20	42	48.8	9.5
*	Monobloc Case, no caseback
**	Diameter includes fitted shroud
***	Complete case set, crystal, caseback included in dimensions