Side by side

Glycine Combat Sub VintagevsSeiko Monster

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.

Glycine Combat Sub Vintage

Owners widely praise the Glycine Combat Sub Vintage for its excellent proportions and slim profile. One owner notes the lume pip on the chapter ring is slightly off-color. The power reserve is reported as inconsistent. Overall, owners rate the Glycine Combat Sub Vintage highly for its value and slim wearability.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

At a glance

18 of 29 specs differ
Diameter
Combat Sub Vintage42mm
Monster42.4mm
Power Reserve
Combat Sub Vintage38h
Monster41h
Water Resistance
Combat Sub Vintage200m
Monster200m
MSRP
Combat Sub Vintage$1,750
Monster$550

Full specifications

Case

6 specs
Diameter
42mm
42.4mm
Thickness
12.5mm
13.4mm
Lug-to-Lug
49.4mm
Lug Width
22mm
20mm
Finish
Caseback

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
AR Coating
Dial Color
Black
Indices
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW200-1
Seiko 4R36
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
41h
Jewels
25
24
Complications
Date
None

Pricing

1 specs
MSRP
$1,750
$550
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Glycine Combat Sub Vintage vs Seiko Monster gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.