Side by side

Massena LAB Dato-RacervsZelos Hammerhead (Tantalum LE)

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

14 of 29 specs differ
Diameter
Dato-Racer40mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Dato-Racer38h
Hammerhead (Tantalum LE)40h
Water Resistance
Dato-Racer50m
Hammerhead (Tantalum LE)300m
MSRP
Dato-Racer$1,595
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
40mm
44mm
Thickness
10.5mm
13mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Tantalum LE

Movement

3 specs
Caliber
SW400-1
Seiko NH35
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$1,499

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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.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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