Hamilton Khaki Aviation X-Wind Day Date Auto H77765541
Ref. H77765541 · Blue dial · In production
- Case45 mm
- Thick12.8 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Hamilton Khaki Aviation X-Wind Day Date Auto H77765541 size, specs and price at a glance
The Hamilton Khaki Aviation X-Wind Day Date Auto H77765541 is 45 mm wide and 12.8 mm thick. Hamilton does not publish its lug-to-lug length. It takes 22 mm straps and ships on a leather strap. Inside is the H-30 automatic calibre, water resistant to 100 m. US list price: $1,375 when we last checked hamiltonwatch.com (3 Nov 2026).
Strap shopping? See our Hamilton lug width chart.
Overview
The Hamilton H77765541 is a sports watch from the Khaki Aviation collection, part of the Khaki Aviation X-Wind Day Date Auto family. It has a 45 mm stainless steel case, 12.8 mm thick. Hamilton lists the dial as blue. Inside is an automatic movement (calibre H-30) with 80 h of power reserve. You also get 100 m water resistance, a sapphire crystal and a leather strap.
Who it suits
- Wrists of roughly 18.1–20.0 cm (7.1–7.9 in), by our Watch Finder sizing guide
- Everyday wear including swimming
Strengths
- Sapphire crystal resists scratches
- 80 h power reserve survives a weekend off the wrist
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 45 mm | hamiltonwatch.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 12.8 mm | hamiltonwatch.com · 3 Nov 2026 |
| Lug-to-lug | Not published by Hamilton | |
| Case material | Stainless steel | hamiltonwatch.com · 3 Nov 2026 |
| Crystal | Sapphire | hamiltonwatch.com · 3 Nov 2026 |
| Water resistance | 100 m | hamiltonwatch.com · 3 Nov 2026 |
Dial
| Dial colour | Blue | hamiltonwatch.com · 3 Nov 2026 |
|---|---|---|
| Date | Day/Date | hamiltonwatch.com · 3 Nov 2026 |
Movement
| Movement type | Automatic | hamiltonwatch.com · 3 Nov 2026 |
|---|---|---|
| Calibre | H-30 | hamiltonwatch.com · 3 Nov 2026 |
| Power reserve | 80 h | hamiltonwatch.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Leather strap | hamiltonwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 22 mm | hamiltonwatch.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $1,375 | hamiltonwatch.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | hamiltonwatch.com · 3 Nov 2026 |
| Style (our classification) | Sports | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
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Questions about the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541
How big is the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541?
The case is 45 mm wide, 12.8 mm thick.
What movement does the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541 use?
It uses the H-30 calibre, a automatic movement with 80 h of power reserve.
Can I swim with the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541?
Yes. It is rated to 100 m.
Does the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541 have a date?
Yes, it shows the day and date.
How much is the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541?
The US list price was $1,375 on hamiltonwatch.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Hamilton Khaki Aviation X-Wind Day Date Auto H77765541 fit my wrist?
By our sizing guide it sits best on wrists of about 18.1–20.0 cm (7.1–7.9 in). Use the fit checker on this page to test your own wrist.
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