Mod Daytona Gray II / On the wrist
Mod Daytona Gray II
Mod Daytona
Gray II
Inspired by the legendary Daytona chronograph and its unmistakable panda dial heritage.
This reinterpretation brings that classic motorsport aesthetic into a clean, modern Seiko mod build.
A balanced, high-contrast design made for enthusiasts who appreciate timeless style and purposeful detail.
$265.00
USD
From order to dispatch, about 3 days on average.*
Free U.S. standard shipping. Delivery time is additional.
Custom builds may require more preparation time.
Dispatch & delivery details ↓Complete watch · No self-assembly required
01 / The design
The design, in detail
The original Rolex Cosmograph Daytona, introduced in 1963, made the racing chronograph a benchmark of functional design. Its tachymeter scale and measured arrangement of counters still give the category its distinctive rhythm. This Daytona edition places the emphasis on its named finish rather than a change in the underlying watch architecture. For Gray II, USAMODWATCH brings those historical design cues into an independently assembled custom edition.
An independent custom watch, assembled by USAMODWATCH.
02 / The color
Color, held in contrast
Grey offers a measured alternative to black and white, letting the watch reveal itself through nuance rather than sharp contrast. The tone keeps the outline composed while giving the details a quieter setting. This Daytona edition places the emphasis on its named finish rather than a change in the underlying watch architecture. In Gray II, that relationship is the center of the design.
04 / The movement
The VK63
Meca-quartz chronograph
The VK63 meca-quartz movement pairs quartz-regulated timekeeping with a mechanically operated chronograph. The central chronograph hand advances in one-fifth-second steps and snaps back to zero when reset. Battery power removes the need for daily winding, while the timing registers give the dial its instrument-like purpose.
The smaller displays have distinct roles: elapsed minutes, running seconds and a 24-hour indication. The 24-hour display follows the main time; it is not a second time zone.
VK63 functions & care guide ↗
1/5 secondCentral chronograph hand
60 minutesMaximum elapsed-time measurement
Battery-poweredNo manual or automatic winding
Size & fit
How it fits
Compare these dimensions with a watch you already wear. Case width, thickness and lug-to-lug length each affect how it sits on your wrist.
40 mmCase diameter
12.5 mmCase thickness
47 mmLug to lug
Full specifications
- Movement
- VK63 movement
- Lug width
- 20 mm
- Crystal
- Sapphire Crystal
- Bezel
- Durable ceramic bezel
- Strap
- Rubber strap
- Strap material
- Rubber
- Listed wrist range
- 5.71–7.9 in (Adjustable)
- Water resistance
- 5 ATM
- Crown
- Screw-down crown
- Listed weight
- 130 g
- Hand
- C3 luminous stainless steel hands for optimal visibility in low light
Not sure about the fit? Send us your wrist measurement ↗
Customer experiences
From our customers
Verified reviews from USAMODWATCH customers
★
★
★
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★
“My friend collects watches and asked to take a closer look. We ended up talking about this one for most of lunch.”
Roberto Hernandez
September 18, 2026
★
★
★
★
★
“This turned out so nice!”
Walter Nelson
September 12, 2026
★
★
★
★
★
“I bought it for an upcoming trip, but there's no way I'm leaving it in the box until then.”
Anthony Nelson
September 10, 2026
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3 reviews for Mod Daytona Gray II
Client care
Delivery & aftercare
Dispatch timing, shipping estimates and support after delivery.
Ask us a question ↗
About our dispatch average
*Based on 517 orders dispatched during a 30-day review (Oct 17 – Nov 15, 2026), including custom builds. Average time from order placement to carrier handoff was 75 hours (3.1 calendar days). Custom preparation times are confirmed separately before ordering. This historical average does not replace the preparation estimate for your order.
When will my watch ship?
For standard watches, allow an estimated 3–5 business days for preparation. We confirm the preparation time for custom builds before ordering. These estimates are separate from the recent dispatch average shown above.
When will it arrive?
U.S. standard shipping is estimated at 3–5 business days after dispatch, in addition to preparation time. Transit can vary by destination, carrier conditions and holidays. If you need your watch for a specific date, contact us before ordering.
How does timing work for custom builds?
Preparation depends on the components and work involved. We confirm your configuration and preparation estimate before you order. Custom builds may take longer than the overall dispatch average.
What if the watch is not right for me?
Return and cancellation conditions may differ for standard watches and personalized orders. Review the current policy and confirm the terms for your configuration before ordering.
Who helps if the watch develops a fault?
The standard one-year warranty covers qualifying movement or battery faults under the full terms. Movement replacement has a $30 labor fee. Water damage, accidents, unauthorized repairs and normal wear are excluded. Contact us for instructions and costs before sending a watch for service.
Can I swim or shower with the watch?
The listed 5 ATM rating is intended for everyday splashes. Avoid swimming, showering, hot water and steam. Keep the crown secured and do not operate the controls while wet. Water damage is excluded from the warranty.
Mod Daytona Gray II / The selected design
Mod Daytona
Gray II
The watch shown on this page
Mod Daytona Gray II
Complete watch as shown
Watch · Quantity 1
$265.00 USD
Shipping
Free U.S. standard shipping
Review your bag before checkout. Applicable taxes and the final total are shown before payment.
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Anthony Nelson –
I bought it for an upcoming trip, but there’s no way I’m leaving it in the box until then.
Walter Nelson –
This turned out so nice!
Roberto Hernandez –
My friend collects watches and asked to take a closer look. We ended up talking about this one for most of lunch.