Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsPhoibos Reef Master

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

Reef Master
PhoibosReef Master
MSRP $335

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Reef Master42mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Reef Master40h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Reef Master200m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Reef Master$335

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
41mm
42mm
Thickness
16mm
13mm
Lug-to-Lug
46mm
48mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Beige
Green
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-31
SII NH38
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$335

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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 Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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