Seiko Essentials Collection SUR361 ONHANDINV and propelled Seiko into the andCentralsweepsecond The masculine architectural design Lug Width (Lug-Buckle):18-16 FC-303GRS3NH6B

and propelled Seiko into the forefront of dive watch design

Visible through both the open aperture dial and see-through caseback Seiko’s 6R caliber

Crafted of stainless steel with durable super-hard coating and a secure screwdown crown

red-orange tipped second hand

Inspired by classic field/military design

Seiko Essentials Collection SUR361 ONHANDINV and propelled Seiko into the andCentralsweepsecond The masculine architectural design Lug Width (Lug Buckle):18 16 FC 303GRS3NH6B and propelled Seiko into the forefront of dive watch design Visible through both the open aperture dial and see through caseback Seiko’s 6R caliber