Side by side

Citizen Promaster FujitsubovsSeiko Prospex Sea

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Citizen Promaster Fujitsubo

Owners widely praise the Citizen Promaster Fujitsubo for its compact size, light weight, and muted blue dial, with many appreciating the block hour hands for legibility and its classic, tough design. The watch is noted for its 1970s heritage, titanium case and bracelet, sapphire crystal, and smoother, higher frequency automatic movement. However, some owners find the Mercedes hands distracting, the bracelet chunky with male end links, and the winding action uninspiring, with one describing the bezel as plastic-like and the overall feel as cheap. The Citizen Promaster Fujitsubo is considered by some to offer incredible value and a worry-free beater watch, though others feel it is overpriced at full retail. Overall, owners rate the Citizen Promaster Fujitsubo highly for its comfortable wearability and classic aesthetic at its price point.

From video reviewers

The lightweight and durable Super Titanium case is a shared strength. Reviewers did not agree on any weaknesses.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
Promaster Fujitsubo41mm
Prospex Sea41.3mm
Power Reserve
Promaster Fujitsubo42h
Prospex Sea72h
Water Resistance
Promaster Fujitsubo200m
Prospex Sea300m
MSRP
Promaster Fujitsubo$1,195
Prospex Sea$1,100

Full specifications

Case

5 specs
Diameter
41mm
41.3mm
Thickness
0mm
12.5mm
Lug-to-Lug
0mm
48.2mm
Material
Super Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9051
Seiko 6R55
Power Reserve
42h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,195
$1,100
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.

DiscussionNot started
Adjacent matchups

People also compared

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