Seiko 5 Sports SSK059K1 Automatic GMT

With the SSK059K1, Seiko expands its popular 5 Sports collection with a model that combines sporty everyday wearability with a particularly attractive GMT function. The stainless steel case and bracelet, bright dial, and more compact case size of 39.4 mm make this watch a versatile companion for every day. At the same time, the additional GMT display provides the practical added value of keeping track of a second time zone – ideal for travel, everyday professional life, or simply for anyone who appreciates sporty watches with additional technical features.

Inside, the automatic Seiko in-house caliber 4R34 is at work. In addition to the GMT function, it also offers a stop-seconds function, manual winding capability, and a power reserve of approximately 41 hours. The watch is water-resistant to 10 bar and features a transparent case back that reveals the movement. The curved Hardlex crystal and LumiBrite-equipped hands and indices underscore the functional character of this Seiko 5 Sports.

Design & Character
– White dial with a sporty, clean appearance
– Compact proportions with a 39.4 mm diameter
– Stainless steel case and bracelet for a robust, versatile look
– LumiBrite on hands and indices for good legibility even in poor light conditions
– Transparent case back for a view of the automatic movement

Highlights & Technology
– Seiko automatic in-house caliber 4R34
– GMT function for displaying a second time zone
– Stop-seconds function
– Manual winding possible
– Date display
– Power reserve approx. 41 hours
– Accuracy according to manufacturer: +45 / -35 seconds per day
– Water resistance: 10 bar
– Curved Hardlex crystal

Dimensions
– Diameter: 39.40 mm
– Height: 13.60 mm
– Lug width: 20 mm
– Weight: approx. 147 g

Materials
– Case: Stainless steel
– Case back: Stainless steel, transparent
– Crystal: Curved Hardlex
– Bracelet: Stainless steel
– Clasp: Safety folding clasp

Instruction Manual (Download)
You can find the official Seiko instruction manual here:
Seiko Customer Service – Instructions

Shipping
– Immediately available from stock. Free shipping within Germany.