Ikigai Watches Maru 200mvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Ikigai Watches Maru 200m at true scale

Maru 200m

Seiko Prospex Sea 1965 Heritage Diver's Watch at true scale

Prospex Sea 1965 Heritage Diver's Watch

Diameter

40mm

40mm

Lug-to-Lug

47mm

46.4mm

lowest

Thickness

11.7mm

lowest

13mm

Water Resistance

200m

300m

highest

Power Reserve

n/a

72h

MSRP

$499

lowest

$1,300

Movement

Miyota 9039

Seiko 6R55

Case

3 specs
Thickness
11.7mm
13mm
Lug-to-Lug
47mm
46.4mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$499
$1,300
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Reviews

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

Ikigai Watches Maru 200m

Owners widely praise the Ikigai Maru 200m for its exceptionally good and fun lume, with one owner calling it the best in the microbrand sector. The 120-click bezel is described as feeling nice, and the caseback is considered awesome by one owner. The Ikigai Maru 200m features a Miyota 9039 automatic movement, 200m water resistance, and a 40mm case, retailing for $550. On balance, owners rate the Ikigai Maru 200m highly for its standout lume and engaging bezel action.

Seiko Prospex Sea 1965 Heritage Diver's Watch

Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.

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