Side by side

MKII HellionvsOak & Oscar The Olmsted ExP-01

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

What people say

Owners + reviewers, side by side

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

MKII Hellion

The MKII Hellion is widely praised for its immaculate fit and finish, with a mirror-polished case that bridges field and dress styles. Owners appreciate its vintage-inspired lug design and the satisfying heft that balances classic appeal. The large crown is a noted feature, adding a masculine touch to the refined design. One owner questions if the price aligns with the specifications. Overall, owners rate the MKII Hellion highly for its exceptional finishing and versatile, refined design at the price point.

Oak & Oscar The Olmsted ExP-01

Owners widely praise Oak & Oscar The Olmsted ExP-01 for its exceptional finishing, comfortable bracelet, and smooth movement. The dial designs are a frequent point of admiration, with specific appreciation for the white, navy, and gray variants, as well as the orange seconds hand. The watch is considered fairly priced at around $1.5k and is noted for its versatility and "soul." On balance, owners rate Oak & Oscar The Olmsted ExP-01 highly for its overall quality, design, and the brand's customer service.

At a glance

14 of 29 specs differ
Diameter
Hellion39mm
The Olmsted ExP-0138mm
Power Reserve
Hellion
The Olmsted ExP-0142h
Water Resistance
Hellion100m
The Olmsted ExP-01100m
MSRP
Hellion$649
The Olmsted ExP-01$1,775

Full specifications

Case

5 specs
Category
Field
Diameter
39mm
38mm
Thickness
13.55mm
10.8mm
Lug-to-Lug
48.5mm
44.9mm
Material
Stainless Steel
316L Heat-treated Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Lume
SuperLuminova
Super-LumiNova

Movement

4 specs
Caliber
Seiko NH38
Sellita SW300-1
Beat Rate
0 vph
4 vph
Power Reserve
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$649
$1,775
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