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Lugworthy
40 mm · 49 mm lug-to-lug
Photos appear once Heritus approves image use

Heritus

Custom Watch CW699 GMT Automatic

GMT

Lugs stay on wrists from about 6.5 in (lug-to-lug rule of thumb)

$620In stock

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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