Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsYema Rallygraf Meca-Quartz II

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

Rallygraf Meca-Quartz II
YemaRallygraf Meca-Quartz II
MSRP $450

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Rallygraf Meca-Quartz II40mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Rallygraf Meca-Quartz II40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Rallygraf Meca-Quartz II50m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Rallygraf Meca-Quartz II$450

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Thickness
14.35mm
11mm
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
Panda

Movement

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

Pricing

1 specs
MSRP
$2,445
$450

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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 Meca-Quartz II

Owners widely praise the Yema Rallygraf Meca-Quartz II for its cool retro 70s vibe, faithful reissue of a thin vintage design, and excellent build quality for its price, with particular commendation for its tactile pushers and top-notch Milanese strap. The watch is noted for its substantial, weighty feel and well-aligned indices, and the Seiko VK64 meca-quartz movement provides a sweeping chronograph hand. However, some owners find the meca-quartz ticking not very smooth, the left subdial a "useless" 24h indicator, and the watch overpriced compared to similar models. Several owners report disappointing alignment issues with indices, and one owner experienced the dial rotating slightly when chronograph pushers are depressed or when adjusting the time, with these issues not resolved during service. On balance, owners rate the Yema Rallygraf Meca-Quartz II highly for its retro styling and perceived value, despite some recurring quality control concerns.

From video reviewers

The watch's vintage-inspired design and value at its price point are consistently praised. The meca-quartz movement is mentioned as a feature by multiple reviewers.

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