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Custom Watch CW699 GMT Automatic
Lugs stay on wrists from about 6.5 in (lug-to-lug rule of thumb)
Last checked Oct 26, 2026
View on Heritus’s site ↗From Heritus
Built-to-order. 4 weeks turnaround. Seiko-U4 GMT Tactical – 40mm Automatic Military Field Watch Built for precision and durability, the Seiko-U4 GMT Tactical combines rugged military aesthetics with reliable automatic performance. Featuring a versatile 40mm case, GMT functionality for dual-time tracking, and a durable canvas leather strap, this piece is designed for everyday wear in demanding conditions. A clean, legible dial ensures optimal readability, while the automatic movement delivers dependable timekeeping without compromise. Specifications: Seiko NH34A GMT Caliber Automatic 41 Hours Power Reserve Vibrations Per Hour 21,600 bpm Bi-directional Winding Rotor Date Display Complication Regulated @ +/-5 Sec Per Day Characteristics: 904L Grade Stainless Steel Flat Sapphire Crystal (Clear AR Coating) Brushed Steel Bezel Screw-Down Crown Solid Case Back 10 ATM Water Resistant Engraved 24-Hour Scale On Bezel Drilled Lugs Dimensions: Case diameter: 40 mm Lug to lug: 49 mm Thickness: 12 mm Lug size: 22 mm Testing: The watch movement accuracy is tested and regulated prior and after assembling. The case is water tested at 10 ATM. Limited Warranty: 12 months limited warranty. The watch includes box, watch instructions, and accessories. We specialize in crafting personalized timepieces tailored to individual client preferences. It's important to note that this particular watch is not manufactured by Seiko and we have no affiliation with, nor do we represent Seiko or any other watch brand.
Specifications
Details and photos come from Heritus’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
Case
- Diameter
- 40 mm
- Lug-to-lug
- 49 mm
- Thickness
- 12 mm
- Thickness incl. crystal
- Not listed
- Lug width
- Not listed
- Material
- Not listed
Movement
- Type
- Automatic
- Caliber
- Seiko NH34
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- 100 m
Dial and lume
- Dial
- Not listed
- Lume
- Not listed
Strap
- Strap
- Not listed
Every spec Heritus lists
- Lug size
- 22 mm Testing:
- Thickness
- 12 mm
- Lug to lug
- 49 mm
- Case diameter
- 40 mm
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