Skip to content
Independent custom watches · U.S.-based support Independent custom watches
Mod Day-Date Blue / On the wrist Mod Day-Date Blue / On the wrist
Mod Day-Date Blue

Mod Day-Date
Blue

The iconic Day-Date, reimagined in sky blue with full day and date function on the dial.
Uniquely designed and hand-assembled as a custom Seiko mod automatic.
A sky blue Day-Date stands out in any collection. Not flashy. Just refined, confident, and unmistakably intentional.
Thoughtfully modded for presence, precision, and polished everyday wear.

$270.00 USD WELCOME OFFER Buy 1 Get $8 Off · Buy 2+ Get $50 Off Applied automatically at checkout
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

The design, in detail

The original Rolex Day-Date, introduced in 1956, gave the spelled-out weekday and date a prominent place on the dial. It remains a landmark in the history of dress-oriented calendar watches. Blue brings a cooler visual register to the watch’s essential forms. For Blue, USAMODWATCH brings those historical design cues into an independently assembled custom edition.

An independent custom watch, assembled by USAMODWATCH.

Mod Day-Date Blue
The layout
Mod Day-Date Blue
Dial and case color relationship

Color, held in contrast

Blue brings depth without the severity of black or the brightness of a paler dial. It gives the watch a distinctive mood, equally convincing with a tailored cuff or an ordinary weekend. Blue brings a cooler visual register to the watch’s essential forms. The balance is deliberate, allowing the dial and surrounding details to work together.

The VK63
Automatic

The Miyota 8285 is an automatic mechanical movement designed for weekday and date displays. Its winding rotor powers the mainspring through wrist movement, bringing the traditional rhythm of a mechanical calendar watch to the dial.
Mod Day-Date Blue
24 jewelsMovement jewels
21,600 vphBalance frequency
AutomaticSelf-winding, no battery
Mod Day-Date Blue

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 mmCase thickness
47.4 mmLug to lug

Full specifications

Movement
Miyota 8285 movement
Lug width
20 mm
Crystal
Sapphire Crystal
Strap
Jubilee-style bracelet
Strap material
Luxurious 904L stainless steel
Listed wrist range
5.71–8.66 in (Adjustable)
Water resistance
5 ATM
Crown
Screw-down crown
Listed weight
179 g
Hand
C3 luminous stainless steel hands for optimal visibility in low light

Not sure about the fit? Send us your wrist measurement ↗

From our customers

Verified reviews from USAMODWATCH customers

3.0 out of 5 2 reviews

Write a review
“Awesome. Exactly as deacribed. Might buy more.”
Daniel j Mormino ✓ Verified
July 14, 2026
“Watch arrived in a non functional state. Customer support has neen slow to respond.”
Terence Jackson ✓ Verified
July 5, 2026

View all reviews →

Write a review ↗

2 reviews for Mod Day-Date Blue

  1. Terence Jackson (verified owner) –

    Watch arrived in a non functional state. Customer support has neen slow to respond.

  2. Daniel j Mormino (verified owner) –

    Awesome. Exactly as deacribed. Might buy more.

Add a review

Your email address will not be published. Required fields are marked *

No file chosen

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.

Read the return policy ↗
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.

Read the warranty terms ↗
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.

Read the care and warranty terms ↗
Mod Day-Date Blue / The selected design

Mod
Day-Date Blue

Mod Day-Date Blue — chosen configuration
The watch shown on this page

Mod Day-Date Blue

Jubilee

Watch · Quantity 1 $270.00 USD
Shipping Free U.S. standard shipping

Review your bag before checkout. Applicable taxes and the final total are shown before payment.