Side by side

Seiko Prospex SeavsYema Rallygraf Meca-Quartz II

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

The bottom line

The 40mm Rallygraf Meca-Quartz II wears 3.5mm narrower than the 43.5mm Prospex Sea — that's a meaningful jump on most wrists.

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

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

Yema Rallygraf Meca-Quartz II

Owners widely praise the Yema Rallygraf Meca-Quartz II for its cool retro 70s vibe, faithful reissue of a thin vintage design, and excellent build quality for its price, with particular commendation for its tactile pushers and top-notch Milanese strap. The watch is noted for its substantial, weighty feel and well-aligned indices, and the Seiko VK64 meca-quartz movement provides a sweeping chronograph hand. However, some owners find the meca-quartz ticking not very smooth, the left subdial a "useless" 24h indicator, and the watch overpriced compared to similar models. Several owners report disappointing alignment issues with indices, and one owner experienced the dial rotating slightly when chronograph pushers are depressed or when adjusting the time, with these issues not resolved during service. On balance, owners rate the Yema Rallygraf Meca-Quartz II highly for its retro styling and perceived value, despite some recurring quality control concerns.

From video reviewers

The watch's vintage-inspired design and value at its price point are consistently praised. The meca-quartz movement is mentioned as a feature by multiple reviewers.

Where to get them

Check prices & track

Seiko Prospex Sea
Seiko Prospex Sea
MSRP $1,500
Yema Rallygraf Meca-Quartz II
Yema Rallygraf Meca-Quartz II
MSRP $450
Prospex Sea
SeikoProspex Sea
MSRP $1,500
Rallygraf Meca-Quartz II
YemaRallygraf Meca-Quartz II
MSRP $450

At a glance

15 of 29 specs differ
Diameter
Prospex Sea43.5mm
Rallygraf Meca-Quartz II40mm
Power Reserve
Prospex Sea70h
Rallygraf Meca-Quartz II40h
Water Resistance
Prospex Sea200m
Rallygraf Meca-Quartz II50m
MSRP
Prospex Sea$1,500
Rallygraf Meca-Quartz II$450

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
43.5mm
40mm
Thickness
13.3mm
11mm
Lug-to-Lug
51mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Panda
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
6R35
Type
Automatic
Quartz
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$450

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