Seiko Watches 40–44mm

68 Seiko models with a case width between 40mm and 44mm — the most versatile mid-size range for average wrists. Each links to full specs and a wrist-fit check.

Model	Width	Thickness	Shape
Prospex Diver Samurai Stainless Steel / Black / Bracelet	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Black / Rubber	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Black / Bracelet / Zimbe	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Blue / Bracelet	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Blue / Rubber	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Orange / Bracelet	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Black / Bracelet / Padi	43.8mm	—	circular
Prospex Diver Samurai Stainless Steel / Blue Lagoon / Bracelet	43.8mm	—	circular