Seiko Sports 100m
Caliber: 7S36B (23 Jewels)
Water resistant to 10 bars.
Quick day & date change.
Luminous hands and indexes.
Dark Blue dial with blue/red unidirectional bezel.
Solid links stainless steel bracelet
with two push button locking clasp.
Made in Japan.
Bracelet reference: 300F1-BI
Bezel diameter; 41mm
Case width at crown: 45mm
Case thickness: 13mm
 
61-8B1180-G2