Side by side

Seiko MonstervsYema Superman Heritage

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.

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.

Yema Superman Heritage

Owners widely praise the Yema Superman Heritage for its vintage aesthetic, comfortable bracelet with drilled lugs, and impressive packaging. Reviewers highlight its striking sunburst dial and unique bezel-lock mechanism. Some owners criticize bezel play, misaligned bezels, contrasting case and bracelet finishes, and long lugs. One reviewer notes that the high-polished case and dial color variation may affect legibility for some. On balance, owners and reviewers appreciate the Yema Superman Heritage for its authentic 1970s vibe and vintage charm.

At a glance

13 of 29 specs differ
Diameter
Monster42.4mm
Superman Heritage39mm
Power Reserve
Monster41h
Superman Heritage
Water Resistance
Monster200m
Superman Heritage300m
MSRP
Monster$550
Superman Heritage$1,004

Full specifications

Case

6 specs
Diameter
42.4mm
39mm
Thickness
13.4mm
11.3mm
Lug-to-Lug
49.4mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
39mm Automatic
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 4R36
Sellita SW200-1
Power Reserve
41h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$550
$1,004
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