Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsYema Rallygraf Alpine Cup Series

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

Rallygraf Alpine Cup Series
YemaRallygraf Alpine Cup Series
MSRP $449

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Rallygraf Alpine Cup Series39mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Rallygraf Alpine Cup Series40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Rallygraf Alpine Cup Series50m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Rallygraf Alpine Cup Series$449

Full specifications

Case

7 specs
Category
Pilot
Chronograph
Diameter
40mm
39mm
Thickness
14.35mm
10.2mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

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

Pricing

1 specs
MSRP
$2,445
$449

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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 Rallygraf Alpine Cup Series

The Yema Rallygraf Alpine Cup Series is widely praised for its retro-modern aesthetic, crisp white dial, and excellent lume, with owners highlighting its great value at $549 and the clever integration of a perforated design into its five-link bracelet. Reviewers and owners alike note its ideal 39mm case proportions and thin profile, enhancing wearability. However, the use of a K1 mineral crystal instead of sapphire is flagged as a drawback, and some community members find the Seiko VK64 meca-quartz movement overpriced for its features, particularly the 24-hour subdial. On balance, owners and reviewers rate the Yema Rallygraf Alpine Cup Series highly for its strong vintage-inspired design and wearability at its price point.

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