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Hanhart · Fly Navy

Hanhart Fly Navy Aerosphere 42 mm

Reference 774.274 · Tool · 42 mm

121234567891011Ø 42 mmLug-to-lug 49 mm
Illustration drawn from the specifications: case to scale, colours and style approximate. Not a photo. Photos on the official page

Specifications

Reference
774.274
Family
Fly Navy
Category
Tool
Status
Current
Case material
Stainless steel
Case diameter
42 mm
Case thickness
12.95 mm Official
Lug-to-lug
49 mm Official
Lug width
20 mm Official
Water resistance
300 m
Bezel
—
Calibre
P024 Official
Power reserve
38 h

Official product page · retrieved October 22, 2026

Does it fit your wrist?

Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.

121234567891011Lug-to-lug 49 mmFlat top of the wrist 54.1 mm
Top view on a wrist, to scale
Flat top of the wrist 54.1 mmLug-to-lug 49 mmCase diameter 42 mm
Side view, across the wrist

Comfortable

Lug-to-lug 49 mm on a flat top of 54.1 mm: 91 % of the width.

Lug-to-lug is 75 to 95% of the flat top, the usual comfortable range.

Measurements and sources

Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.

Case thickness

Value Type Source Date
12.95 mm Official Hanhart October 22, 2026

Lug-to-lug

Value Type Source Date
49 mm Official Hanhart October 22, 2026

Lug width

Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.

Value Type Source Date
20 mm Official Hanhart October 22, 2026

Calibre source

Official Hanhart · retrieved October 22, 2026

Other versions in the same case

These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.

  • 774.274. · FLY NAVY Aerosphere, 42 mm

Other Hanhart models

Watch Ø Thickness Lug-to-lug Calibre
Pioneer One 42 mm 762.200 42 mm 12 mm — SW200
Thermosphere 42 mm 775.274-6428 42 mm 12.95 mm 49 mm —
Pioneer Preventor9 40 mm 752.200 40 mm 12.5 mm — HAN4112
Pioneer Preventor HD12 39 mm 792.810 39 mm 10.5 mm 46 mm P024
Pioneer Silva 38.5 mm 782.210 38.5 mm 10 mm 44 mm —
Preventor HD12 36 mm 793L.890-6429 36 mm 10.5 mm 43 mm SW200-1
Show 22 more
Watch Ø Thickness Lug-to-lug Calibre
417 ES 42 mm H721.210 42 mm 13.3 mm — SW510 M
417 ES Flyback 42 mm H721.201 42 mm 13.3 mm — AMT5100 M
417 ES Heritage Flyback 42 mm H721.212 42 mm 13.3 mm 49.75 mm AMT5100 M
417 ES Moby Dick 42 mm H721.202 42 mm 13.3 mm — SW510 M
417 ES Mocha Flyback Date 42 mm H721L.282 42 mm 13.5 mm 49.75 mm AMT5100 M
ADAC Eifelrennen Anniversary Edition 42 mm 724.200-HFXX 42 mm 14.4 mm 49 mm SW510
417 TI Desert Pilot 42 mm H721L.250 42 mm 13.6 mm 49 mm AMT5100 M
Pioneer 40 mm 716.200 40 mm 15 mm — HAN3703
Pioneer Mk I 40 mm 714.200 40 mm 15 mm — HAN3601
Primus Fly Navy 44 mm 740L.370 44 mm 15 mm — SW510
Primus Pilot 44 mm 740.210 44 mm 15 mm — HAN3809
Primus Racer 44 mm 741.210 44 mm 15 mm — HAN3809
415 ES 39 mm H703.201 39 mm 13.5 mm 46 mm SW510 M
417 ES 1954 39 mm H701.210 39 mm 13.3 mm — SW510 M
417 ES Flyback 39 mm H701.211 39 mm 13.3 mm 46 mm AMT5100 M
417 ES Moby Dick 39 mm H701.202 39 mm 13.6 mm 46 mm SW510 M
Aquasphere 42 mm 772.270 42 mm 12.95 mm 49 mm P024
Pioneer MonoScope 45 mm 732.220 45 mm 16 mm — HAN4212
Racemaster GT 45 mm 736.600 45 mm 16 mm — HAN4011
Red Lion Mk II 39 mm H704L.210-1010 39 mm 13.6 mm 46 mm AMT5100 M
417 TI Desert Pilot 39 mm H701L.250 39 mm 13.6 mm 46 mm AMT5100 M
Silva 38.5 mm 782.230 38.5 mm 10 mm 44 mm P024

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