Mod Aquanaut Baby Blue / On the wrist
Mod Aquanaut Baby Blue
Mod Aquanaut
Baby Blue
The iconic Aquanaut, reimagined with a clean silver dial and signature rubber strap.
Born as the sportier sibling to the Nautilus, designed for those who live actively and travel freely.
The distinctive rounded octagonal case creates unmistakable presence with a softer, more approachable profile.
Thoughtfully modded for comfort, versatility, and everyday adventure.
$250.00
USD
$275.00
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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
01 / The design
The design, in detail
Introduced in 1997, the Patek Philippe Aquanaut explored a more casual side of luxury sports-watch design. Its rounded case architecture and strap-led character made a distinctive combination. Blue brings a cooler visual register to the watch’s essential forms. For Baby Blue, 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
A fresh blue green palette extends from the dial to the strap, giving the rounded sporting case a lighter, more expressive setting. The effect is coherent rather than simply bright, allowing color to define the whole watch’s mood. Blue brings a cooler visual register to the watch’s essential forms. In Baby Blue, that relationship is the center of the design.
04 / The movement
The NH35
Automatic
The NH35 is a 24-jewel automatic movement running at 21,600 vibrations per hour. Wrist motion winds the mainspring, while manual winding and hacking seconds make setting the watch straightforward. Its mechanical architecture gives this custom build a traditional self-winding foundation.
24 jewelsMovement jewels
21,600 vphBalance frequency
AutomaticSelf-winding, no battery
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 mmCase thickness
46.6 mmLug to lug
Full specifications
- Movement
- Seiko NH35 movement
- Lug width
- 20 mm
- Crystal
- Sapphire Crystal
- Strap
- Rubber bracelet
- Strap material
- Rubber
- Listed wrist range
- 6.57–8.26 in (Adjustable)
- Water resistance
- 5 ATM
- Crown
- Screw-down crown
- Listed weight
- 138 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
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Client care
Delivery & aftercare
Our New Hampshire support team can help with order questions and service arrangements.
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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.
What will shipping cost, and when should I expect it?
Standard U.S. shipping is free. The shipping policy lists 3–5 business days for preparation plus 3–5 business days in transit, for an estimated 6–10 business days overall. These are estimates; check with us if you need the watch for a particular date.
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 Aquanaut Baby Blue / The selected design
Mod Aquanaut
Baby Blue
The watch shown on this page
Mod Aquanaut Baby Blue
Complete watch as shown
Watch · Quantity 1
$250.00 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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