Seiko Prospex Professional Diver’s ‘Tuna’ Quartz Men's Watch S23631J1 Channel Set The worlds first curved chronograph

The worlds first curved chronograph movement features high- performance quartz technology with 262 kHz vibrational frequency for precise accuracy

BLack DIal with gold index markers and hands

The watch also includes date functionality

Dial features a knurled texture pattern and the signature sweep second hand

Domed mineral crystal

Seiko Prospex Professional Diver’s ‘Tuna’ Quartz Men's Watch S23631J1 Channel Set The worlds first curved chronographSeiko prospex professional divers Tuna' quartz Mens watch S23631J1. Black ceramic and black plated titanium case with a black silicone strap, black dial. Quartz movement. Case thickness: 16. 3mm, case diameter: 49. 4mm, case length: 49. 4mm. Water resistance upto 1000 metres. Sapphire crystal. Pin buckle clasp. Lumibrite on hands, indexes and bezel. Unidirectional rotating bezel. Screw down crown. Specifications Case Material: Ceramic And Titanium