Seiko Watch - Seiko 5 - HDB001

The Seiko 5 Sports Field GMT HDB001 is a versatile automatic field watch that combines rugged military-inspired styling with practical GMT functionality. Designed for everyday wear and travel, the watch features a robust stainless-steel case with a clean, understated profile and a rich green dial that gives the timepiece a distinctive yet highly versatile appearance. Bold Arabic numerals and luminous hands and markers provide excellent legibility, even in low-light conditions, while the 24-hour GMT hand allows the wearer to track a second time zone at a glance.

Inside, the watch is powered by Seiko's reliable 4R34 automatic mechanical movement, which offers approximately 41 hours of power reserve and supports manual winding. A date display adds further practicality for daily use. The watch is fitted with a curved Hardlex crystal and a stainless-steel bracelet with a folding clasp, providing a secure and comfortable fit on the wrist. With 100 meters of water resistance, it is suitable for everyday activities and a variety of outdoor environments.

The HDB001 brings together the classic character of a traditional field watch with the added convenience of dual-time tracking. Its combination of a deep green dial, bold luminous details, stainless-steel construction, and automatic GMT movement makes it an excellent choice for collectors and enthusiasts looking for a dependable mechanical watch with a distinctive military-inspired aesthetic. Whether worn casually, while traveling, or as part of a daily collection, the Seiko 5 Sports Field GMT HDB001 offers a strong balance of functionality, durability, and timeless style.

Movement

Calibre Number

4R34

Movement Type

Automatic with manual winding

Power reserve

Approx. 41 hours

Jewels

24

Functions

• 24-hour hand (dual time display function)
• Stop second hand function
• Date display

Case/Band

Case Material

Stainless steel

Case Size

Thickness:13.6mm
Diameter:39.4mm
Lug-to-lug:47.9mm

Crystal

Curved Hardlex

LumiBrite

LumiBrite on hands and index(es)

Clasp

Three-fold clasp with push button release

Bracelet Length

205.0

Distance between lugs

20

Other Details

Water Resistance

10 bar

Magnetic Resistance

4,800 A/m

Weight

147.0

Features

• Three-fold clasp with secure lock
• See-through & Screw case back