Seiko Prospex Sea Automatic With Manual Winding 45mm Watch GradForHim They control the start/stop of

They control the start/stop of the chronograph

Case Size: Measuring 40mm

See-through caseback

See-through & Screw case back

- Caliber: 6L35

Seiko Prospex Sea Automatic With Manual Winding 45mm Watch GradForHim They control the start/stop ofSeiko Prospex: Challenges every limit with a collection of timepieces for sports lovers and adventure seekers Launched Japan's first divers watch in 1965 Innovative technology has changed global standards Constantly striving to bring ever greater reliability and safety to both professional and recreational divers Features: Caliber: 4R36 Power Reserve: 41 hour Jewels: 24 Stop Second Hand Function Day Date Display Case Size: 45mm Dial Colour: Blue