Watches with a 18 mm lug width

Reference Collection Case Dial Movement Water resistance Produced
Seiko SNDZ98 SEIKO Chrono SNDZ98 Quartz Watch Seiko Chronograph 38 mm Stainless Steel Silver, White Quartz 7T92 100 m
Seiko SNDZ99 SEIKO Chrono SNDZ99 Quartz Watch Seiko Chronograph 38 mm Stainless Steel Black, Silver Quartz 7T92 100 m
Seiko SNE435 SEIKO Diver SNE435 Solar Watch Seiko Diver 44 mm Stainless Steel Blue Solar Quartz V157 200 m
Seiko SNE437 SEIKO Diver SNE437 Solar Watch Seiko Diver 44 mm Stainless Steel Black Solar Quartz V157 200 m
Seiko SNE439 SEIKO Diver SNE439 Solar Watch Seiko Diver 44 mm Stainless Steel Black Solar Quartz V157 200 m
Seiko SNE441 SEIKO Diver SNE441 Solar Watch Seiko Diver 44 mm Stainless Steel Black Solar Quartz V157 200 m
Seiko SNK071 SEIKO 5 SNK071 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 50 m
Seiko SNK073 SEIKO 5 SNK073 Automatic Watch Seiko 5 38 mm Stainless Steel Blue Automatic 7S26 50 m
Seiko SNK075 SEIKO 5 SNK075 Automatic Watch Seiko 5 38 mm Stainless Steel Purple Automatic 7S26 50 m
Seiko SNK079 SEIKO 5 SNK079 Automatic Watch Seiko 5 36 mm Stainless Steel White Automatic 7S26 50 m
Seiko SNK081 SEIKO 5 SNK081 Automatic Watch Seiko 5 36 mm Stainless Steel Black Automatic 7S26 50 m
Seiko SNK083 SEIKO 5 SNK083 Automatic Watch Seiko 5 36 mm Stainless Steel White Automatic 7S26 50 m
Seiko SNK085 SEIKO 5 SNK085 Automatic Watch Seiko 5 36 mm Stainless Steel Green Automatic 7S26 50 m
Seiko SNK086 SEIKO 5 SNK086 Automatic Watch Seiko 5 36 mm Stainless Steel Silver Automatic 7S26 50 m
Seiko SNK088 SEIKO 5 SNK088 Automatic Watch Seiko 5 36 mm Stainless Steel Gray Automatic 7S26 50 m
Seiko SNK128 SEIKO 5 SNK128 Automatic Watch Seiko 5 37 mm Stainless Steel Yellow Automatic 7S26 30 m
Seiko SNK130 SEIKO 5 SNK130 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK133 SEIKO 5 SNK133 Automatic Watch Seiko 5 37 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK136 SEIKO 5 SNK136 Automatic Watch Seiko 5 37 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK138 SEIKO 5 SNK138 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK140 SEIKO 5 SNK140 Automatic Watch Seiko 5 34 mm Stainless Steel Gold, Gray Automatic 7S26 30 m
Seiko SNK142 SEIKO 5 SNK142 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK144 SEIKO 5 SNK144 Automatic Watch Seiko 5 34 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK145 SEIKO 5 SNK145 Automatic Watch Seiko 5 34 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK147 SEIKO 5 SNK147 Automatic Watch Seiko 5 34 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK149 SEIKO 5 SNK149 Automatic Watch Seiko 5 34 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK151 SEIKO 5 SNK151 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK153 SEIKO 5 SNK153 Automatic Watch Seiko 5 34 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK154 SEIKO 5 SNK154 Automatic Watch Seiko 5 34 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK156 SEIKO 5 SNK156 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK157 SEIKO 5 SNK157 Automatic Watch Seiko 5 34 mm Stainless Steel Silver, White Automatic 7S26 30 m
Seiko SNK159 SEIKO 5 SNK159 Automatic Watch Seiko 5 34 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK161 SEIKO 5 SNK161 Automatic Watch Seiko 5 34 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK163 SEIKO 5 SNK163 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK165 SEIKO 5 SNK165 Automatic Watch Seiko 5 34 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK166 SEIKO 5 SNK166 Automatic Watch Seiko 5 34 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK168 SEIKO 5 SNK168 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK180 SEIKO 5 SNK180 Automatic Watch Seiko 5 30 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK299 SEIKO 5 SNK299 Automatic Watch Seiko 5 38 mm Stainless Steel Silver Automatic 7S26 30 m
Seiko SNK301 SEIKO 5 SNK301 Automatic Watch Seiko 5 38 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK303 SEIKO 5 SNK303 Automatic Watch Seiko 5 38 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK308 SEIKO 5 SNK308 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK312 SEIKO 5 SNK312 Automatic Watch Seiko 5 38 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK314 SEIKO 5 SNK314 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK315 SEIKO 5 SNK315 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK321 SEIKO 5 SNK321 Automatic Watch Seiko 5 38 mm Stainless Steel Green Automatic 7S26 30 m
Seiko SNK322 SEIKO 5 SNK322 Automatic Watch Seiko 5 38 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK325 SEIKO 5 SNK325 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK331 SEIKO 5 SNK331 Automatic Watch Seiko 5 38 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK332 SEIKO 5 SNK332 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK337 SEIKO 5 SNK337 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 50 m
Seiko SNK339 SEIKO 5 SNK339 Automatic Watch Seiko 5 38 mm Stainless Steel Blue, Green Automatic 7S26 50 m
Seiko SNK341 SEIKO 5 SNK341 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 50 m
Seiko SNK347 SEIKO 5 SNK347 Automatic Watch Seiko 5 38 mm Stainless Steel Blue Automatic 7S26 50 m
Seiko SNK373 SEIKO 5 SNK373 Automatic Watch Seiko 5 37 mm Stainless Steel Yellow Automatic 7S26 30 m
Seiko SNK379 SEIKO 5 SNK379 Automatic Watch Seiko 5 37 mm Stainless Steel Green Automatic 7S26 30 m
Seiko SNK387 SEIKO 5 SNK387 Automatic Watch Seiko 5 37 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK397 SEIKO 5 SNK397 Automatic Watch Seiko 5 36 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK399 SEIKO 5 SNK399 Automatic Watch Seiko 5 36 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK543 SEIKO 5 SNK543 Automatic Watch Seiko 5 37 mm Stainless Steel Blue, Green Automatic 7S26 30 m
Seiko SNK545 SEIKO 5 SNK545 Automatic Watch Seiko 5 34 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK547 SEIKO 5 SNK547 Automatic Watch Seiko 5 34 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK549 SEIKO 5 SNK549 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK553 SEIKO 5 SNK553 Automatic Watch Seiko 5 34 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK555 SEIKO 5 SNK555 Automatic Watch Seiko 5 34 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK573 SEIKO 5 SNK573 Automatic Watch Seiko 5 37 mm Stainless Steel Green, Yellow Automatic 7S26 30 m
Seiko SNK574 SEIKO 5 SNK574 Automatic Watch Seiko 5 37 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK575 SEIKO 5 SNK575 Automatic Watch Seiko 5 37 mm Stainless Steel Green, Yellow Automatic 7S26 30 m
Seiko SNK576 SEIKO 5 SNK576 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK583 SEIKO 5 SNK583 Automatic Watch Seiko 5 37 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK587 SEIKO 5 SNK587 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK589 SEIKO 5 SNK589 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK591 SEIKO 5 SNK591 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK593 SEIKO 5 SNK593 Automatic Watch Seiko 5 37 mm Stainless Steel Green, Yellow Automatic 7S26 30 m
Seiko SNK594 SEIKO 5 SNK594 Automatic Watch Seiko 5 37 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK622 SEIKO 5 SNK622 Automatic Watch Seiko 5 36 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK625 SEIKO 5 SNK625 Automatic Watch Seiko 5 36 mm Stainless Steel Silver, White Automatic 7S26 30 m
Seiko SNK629 SEIKO 5 SNK629 Automatic Watch Seiko 5 36 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNK631 SEIKO 5 SNK631 Automatic Watch Seiko 5 36 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK632 SEIKO 5 SNK632 Automatic Watch Seiko 5 36 mm Stainless Steel Gold Automatic 7S26 30 m
Seiko SNK635 SEIKO 5 SNK635 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK639 SEIKO 5 SNK639 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK649 SEIKO 5 SNK649 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK653 SEIKO 5 SNK653 Automatic Watch Seiko 5 38 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNK657 SEIKO 5 SNK657 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK663 SEIKO 5 SNK663 Automatic Watch Seiko 5 38 mm Stainless Steel Yellow Automatic 7S26 30 m
Seiko SNK665 SEIKO 5 SNK665 Automatic Watch Seiko 5 38 mm Stainless Steel Green Automatic 7S26 30 m
Seiko SNK669 SEIKO 5 SNK669 Automatic Watch Seiko 5 38 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNK811 SEIKO 5 SNK811 Automatic Watch Seiko 5 37 mm Stainless Steel Khaki Automatic 7S26 30 m
Seiko SNKA13 SEIKO 5 SNKA13 Automatic Watch Seiko 5 37 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNKA17 SEIKO 5 SNKA17 Automatic Watch Seiko 5 37 mm Stainless Steel Green Automatic 7S26 30 m
Seiko SNKA29 SEIKO 5 SNKA29 Automatic Watch Seiko 5 37 mm Stainless Steel Blue, Red, White Automatic 7S26 30 m
Seiko SNKA31 SEIKO 5 SNKA31 Automatic Watch Seiko 5 37 mm Stainless Steel Blue, Orange, Yellow Automatic 7S26 30 m
Seiko SNKA33 SEIKO 5 SNKA33 Automatic Watch Seiko 5 37 mm Stainless Steel Black, Orange, Yellow Automatic 7S26 30 m
Seiko SNKA35 SEIKO 5 SNKA35 Automatic Watch Seiko 5 37 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNKA39 SEIKO 5 SNKA39 Automatic Watch Seiko 5 37 mm Stainless Steel Blue Automatic 7S26 30 m
Seiko SNKA45 SEIKO 5 SNKA45 Automatic Watch Seiko 5 37 mm Stainless Steel Gray Automatic 7S26 30 m
Seiko SNKA47 SEIKO 5 SNKA47 Automatic Watch Seiko 5 37 mm Stainless Steel Black Automatic 7S26 30 m
Seiko SNKA49 SEIKO 5 SNKA49 Automatic Watch Seiko 5 37 mm Stainless Steel White Automatic 7S26 30 m
Seiko SNKA51 SEIKO 5 SNKA51 Automatic Watch Seiko 5 37 mm Stainless Steel Gray Automatic 7S26 30 m