Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsYema Yachtingraff Seconde/Seconde/

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Yachtingraff Seconde/Seconde/
YemaYachtingraff Seconde/Seconde/
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Yachtingraff Seconde/Seconde/38.5mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Yachtingraff Seconde/Seconde/40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Yachtingraff Seconde/Seconde/50m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Yachtingraff Seconde/Seconde/$499

Full specifications

Case

7 specs
Category
Pilot
Chronograph
Diameter
40mm
38.5mm
Thickness
14.35mm
13mm
Lug-to-Lug
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Blue
Standard

Movement

3 specs
Caliber
H-51-Si
Type
Manual
Quartz
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,445
$499

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

Yema Yachtingraff Seconde/Seconde/

The Yema Yachtingraff Seconde/Seconde/ is a collaboration watch featuring a hand-painted graffiti-style dial with wet paint drips and spray can pushers, powered by a Seiko VK63 meca-quartz movement. One owner noted slight marks on the lugs, bezel, and case of a pre-owned example, rating its condition at 88%. On balance, reviewers highlight the artistic and humorous blend of design elements as the watch's primary appeal.

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