Seiko srpb55k1 dive watch with automatic winding mechanical Seiko movement.

Caliber 4R35
23 Jewels
Stainless Steel black case
Width: 43.8mm…Thickness: 13.4mm

Black Silicon Band
Hardlex Crystal

Date feature
Screw Down Crown
Unidirectional Rotating Bezel
200M Water Resistance
Lumibrite on Hands and Indexes

I love the black coated case.
We are an official Seiko Dealer and this watch is sold brand new with box and papers.