The Seiko 5 Sports Field GMT SSK059 combines practical travel functionality with the versatile character of a field-inspired sports watch. Featuring a crisp white dial, stainless steel case and bracelet, and a distinctive orange GMT hand, this automatic timepiece offers a useful second-time-zone display in a balanced everyday design.

Powered by Seiko's Caliber 4R34 automatic movement, the SSK059 brings together traditional mechanical watchmaking and modern GMT functionality. Its 24-hour scale, date display, LumiBrite-treated hands and indexes, and transparent case back make it a practical and engaging addition to the Seiko 5 Sports collection.

Listed at $450.00 at Lexor Miami. Check the product page for current availability.

VIEW SEIKO SSK059 Seiko 5 Sports Field GMT SSK059 white dial orange GMT hand front view

Field-Inspired Design with a Distinctive White Dial

The SSK059 features a clean white dial with bold Arabic numerals and a practical layout designed for easy reading. Its contrasting orange GMT hand adds a distinctive accent while serving an important function: tracking a second time zone using the 24-hour scale.

The stainless steel case and matching bracelet give the watch a versatile appearance that transitions easily between casual outfits, travel, and everyday professional settings. The combination of a light dial and silver-tone construction keeps the design clean and contemporary.

Seiko SSK059 GMT automatic watch angled view showing white dial and stainless steel bracelet

Automatic GMT Movement: Seiko Caliber 4R34

At the heart of the Seiko SSK059 is the Caliber 4R34, an automatic mechanical movement with manual winding capability. It features 24 jewels and provides an approximate power reserve of 41 hours when fully wound.

The GMT function uses a dedicated 24-hour hand to display a second time zone. This makes the SSK059 especially useful for frequent travelers, international professionals, and anyone who regularly communicates with people in another part of the world.

The movement also includes a stop-seconds function, allowing the seconds hand to stop when setting the time for more precise adjustment.

GMT functionality: Keep track of local time while monitoring another time zone with the dedicated 24-hour hand and scale.
Seiko 5 Sports SSK059 automatic GMT watch front view with 24-hour bezel

Practical 24-Hour Scale and Date Display

The SSK059 features a 24-hour scale that works with the dedicated GMT hand to display an additional time zone. The scale provides a clear reference for distinguishing between daytime and nighttime hours in the second location.

A date display adds everyday convenience, while the dial's contrasting markers and hands help keep the information easy to read. The result is a functional layout that balances mechanical watchmaking with practical daily use.

Seiko SSK059 white dial, date window and orange GMT hand detail

LumiBrite Visibility and Curved Hardlex Crystal

Seiko equips the SSK059 with LumiBrite on the hands and hour indexes to improve visibility in low-light conditions. This luminous treatment makes it easier to read the time when ambient lighting is limited.

The dial is protected by a curved Hardlex crystal. Hardlex is Seiko's proprietary hardened mineral crystal, designed to provide practical protection for everyday wear.

The watch also features a transparent screw-down case back, allowing the wearer to view the automatic movement inside.

Stainless Steel Case and Bracelet

The SSK059 uses a stainless steel case measuring 39.4mm in diameter. Its 13.6mm thickness and 47.9mm lug-to-lug length create balanced proportions, while the matching stainless steel bracelet completes the watch's versatile design.

The bracelet features a three-fold clasp with push-button release and a secure locking mechanism. Its 20mm lug width provides the watch with a balanced connection between the case and bracelet.

Seiko SSK059 stainless steel bracelet and case construction

100-Meter Water Resistance

With water resistance rated at 10 bar, equivalent to 100 meters, the Seiko SSK059 is suitable for swimming and recreational water activities when used according to Seiko's care and operating recommendations.

As with any mechanical watch, it is important to ensure the crown is properly secured before exposure to water and to avoid operating the crown or buttons while the watch is wet.

Seiko 5 Sports SSK059 Technical Specifications

Brand Seiko
Collection Seiko 5 Sports
Series Field GMT
Model SSK059
Reference SSK059K1
Movement Automatic with manual winding
Caliber Seiko 4R34
Jewels 24
Power Reserve Approximately 41 hours
Functions GMT / Dual Time, hours, minutes, seconds, date
Case Material Stainless steel
Case Diameter 39.4 mm
Case Thickness 13.6 mm
Lug-to-Lug 47.9 mm
Dial Color White
Crystal Curved Hardlex
Bracelet Stainless steel
Lug Width 20 mm
Luminescence LumiBrite on hands and indexes
Water Resistance 10 bar / 100 meters
Case Back Transparent screw-down
Clasp Three-fold clasp with push-button release
Weight 147 g
Magnetic Resistance 4,800 A/m
Seiko 5 Sports Field GMT SSK059 complete watch with stainless steel bracelet

Who Should Choose the Seiko SSK059?

The Seiko 5 Sports SSK059 is an appealing choice for watch enthusiasts who want mechanical GMT functionality in a versatile everyday watch. Its second-time-zone display is especially useful for travelers and people who work across international time zones.

Its white dial, orange GMT hand, and stainless steel bracelet also make it a versatile option for those who appreciate functional design without sacrificing everyday style.

How to Care for Your Seiko Automatic GMT Watch

  • Clean the case and bracelet with a soft, clean cloth.
  • Keep the watch away from strong magnetic fields when possible.
  • Ensure the crown is properly secured before water exposure.
  • Avoid operating the crown while the watch is wet.
  • Store the watch in a dry, safe place when not in use.
  • Follow Seiko's recommended maintenance and servicing guidelines.
Seiko 5 Sports Field GMT SSK059 automatic watch close-up

Frequently Asked Questions

Is the Seiko SSK059 an automatic watch?

Yes. The SSK059 is powered by Seiko's Caliber 4R34 automatic mechanical movement, which also supports manual winding.

Does the Seiko SSK059 have GMT functionality?

Yes. Its dedicated 24-hour GMT hand allows the wearer to track a second time zone alongside local time.

How long is the power reserve?

The Seiko 4R34 movement provides an approximate power reserve of 41 hours when fully wound.

What is the case size of the Seiko SSK059?

The stainless steel case measures 39.4mm in diameter, 13.6mm in thickness, and 47.9mm from lug to lug.

Is the Seiko SSK059 suitable for swimming?

Yes. Its 10 bar (100-meter) water resistance rating makes it suitable for swimming and recreational water activities, provided the watch is used according to the manufacturer's instructions.

Does the Seiko SSK059 have a sapphire crystal?

No. This model uses a curved Hardlex crystal.

Does the Seiko SSK059 have a transparent case back?

Yes. It features a transparent screw-down case back that reveals the automatic movement.

What is the price of the Seiko SSK059 at Lexor Miami?

The Seiko 5 Sports SSK059 is listed at $450.00 at Lexor Miami. Please check the product page for current availability.

Discover the Seiko 5 Sports SSK059 at Lexor Miami

Bring mechanical GMT functionality into your everyday collection with the Seiko 5 Sports Field GMT SSK059. Its Caliber 4R34 automatic movement, crisp white dial, stainless steel construction, and 100-meter water resistance make it a versatile timepiece for daily wear and travel.

Explore the Seiko SSK059 at Lexor Miami, listed for $450.00.

VIEW SEIKO SSK059 — $450