The Titanium Field GuidePicks of the month

ADPT Series 1 Dual-Time

The ADPT Series 1 Dual-Time is a 38 mm titanium dive watch with a Seiko NH34 automatic movement. At 38 mm across, it is smaller than 94% of the 359 titanium dive watches in the guide.

All ADPT watchesDiver watchesUnder $500MicrobrandCompact (38 mm and under)GMT
Price
$499
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
200 m
Type
Diver
Case diameter
38.0 mm
Thickness
13.6 mm
Lug-to-lug
44 mm
Origin
United States
Movement
Automatic dual-time (independent 24-hour hand)
Caliber
Seiko NH34
Power reserve
41 hours
Complications
Date, GMT
Colour
Grey
Surface treatment
Brushed
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
ADPT US-made single-pass nylon strap, 20 mm lug width
Crystal
Flat sapphire, AR
Display back
No
Dial
Aqua Berry, Mossy Shale
Dial colours
Blue
Lume
Lume-filled markers
Availability
Offered
Status
Current (sold out on both colourways)
Not published
Reference, Weight, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Aug 2026 Source: ADPT / Windup Watch Shop (maker product page) / ADPT brand page (Worn and Wound)
Facts are free to cite with a link.
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More watches from ADPT

ADPT Series 1ADPTSeries 1$44938.0 mm13.5 mm thickOther

Frequently asked questions

What grade of titanium is the ADPT Series 1 Dual-Time?

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

What size is the ADPT Series 1 Dual-Time?

The case is 38 mm across, 13.6 mm thick and 44 mm from lug to lug. It is water resistant to 200 m.

How much does the ADPT Series 1 Dual-Time cost, and is it available?

It is in production, at a list price of $499.

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