Side by side

Glycine Combat SubvsZelos Hammerhead V3 300m Titanium

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

Combat Sub
GlycineCombat Sub
MSRP $895
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

21 of 29 specs differ
Diameter
Combat Sub40mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Combat Sub
Hammerhead V3 300m Titanium40h
Water Resistance
Combat Sub200m
Hammerhead V3 300m Titanium300m
MSRP
Combat Sub$895
Hammerhead V3 300m Titanium$559

Full specifications

Case

8 specs
Diameter
40mm
44mm
Thickness
11.15mm
13mm
Lug-to-Lug
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Ti - Mosaic MOP
Indices
Applied
Lume
Luminous
None

Movement

6 specs
Caliber
515
Seiko NH35
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
Date
None

Pricing

1 specs
MSRP
$895
$559

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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.

Glycine Combat Sub

The Glycine Combat Sub is widely praised for its exceptional thinness, with multiple sources highlighting its sub-11mm case height and comfortable wearability, even on smaller wrists. Owners appreciate its unique, non-homage aesthetic, refined finishing, and excellent value for money. Specific positive notes include a buttery smooth bezel action, tasteful indices, crisp font, and a matching date wheel. Accuracy is reported to rival COSC standards by one owner, and durability is noted as exceptional. However, some owners report inconsistent power reserve and sub-par lume that is difficult to read in low light. On balance, owners and community members rate the Glycine Combat Sub highly for its slim profile and unique design at an accessible price point.

From video reviewers

The slim case profile and comfortable wearability are praised. The bezel action received criticism for having slight play and a less-than-satisfying click.

Zelos Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

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