Side by side

Citizen Promaster FujitsubovsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

At a glance

12 of 29 specs differ
Diameter
Promaster Fujitsubo41mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Promaster Fujitsubo42h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Promaster Fujitsubo200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Promaster Fujitsubo$1,195
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

4 specs
Diameter
41mm
44mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
49.3mm
Material
Super Titanium
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
9051
8L35
Power Reserve
42h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$1,195
$3,300

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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.

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.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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