Side by side

Seiko Prospex SeavsYema Granvelle CMM.29

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

Prospex Sea
SeikoProspex Sea
MSRP $900
Granvelle CMM.29
YemaGranvelle CMM.29
MSRP $1,913

At a glance

13 of 29 specs differ
Diameter
Prospex Sea41mm
Granvelle CMM.2939mm
Power Reserve
Prospex Sea70h
Granvelle CMM.2940h
Water Resistance
Prospex Sea200m
Granvelle CMM.2950m
MSRP
Prospex Sea$900
Granvelle CMM.29$1,913

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
39mm
Thickness
12.3mm
8.6mm
Lug-to-Lug
46.9mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R35
Yema CMM.29
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$900
$1,913

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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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

Yema Granvelle CMM.29

Owners praise the Yema Granvelle CMM.29's gorgeous dial, noting its guilloché pattern and carved hour indices that catch the light. One owner describes the movement as a "feast for the eyes" but finds the watch frustrating at work due to its lack of a specific function. On balance, owners appreciate the Yema Granvelle CMM.29 for its visually striking dial and movement finishing, with some finding its utility limited in certain professional contexts.

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