Side by side

Seiko Baby AlpinistvsStudio Underd0g Full Moon

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

Baby Alpinist
SeikoBaby Alpinist
MSRP $725
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

15 of 29 specs differ
Diameter
Baby Alpinist38mm
Full Moon39.5mm
Power Reserve
Baby Alpinist70h
Full Moon40h
Water Resistance
Baby Alpinist200m
Full Moon
MSRP
Baby Alpinist$725
Full Moon$800

Full specifications

Case

6 specs
Category
Field
Casual
Diameter
38mm
39.5mm
Thickness
12.9mm
Lug-to-Lug
46mm
Lug Width
20mm
Water Resistance
200m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$725
$800

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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 Baby Alpinist

Seiko Prospex Land owners widely praise its comfortable, sub-12mm cushion case that wears smaller than its dimensions suggest, and its sharp, attractive appearance featuring outstanding brushing and applied indices. Reviewers note its legible dial, solid movement, and 100m water resistance at a fair price, with some owners appreciating its unique combination of features. However, the stock strap is consistently described as stiff and uncomfortable, and one owner would prefer a numbered bezel over cardinal directions. Accuracy is reported around -10 seconds per day, and the internal rotating bezel's action is considered good for the price but not as refined as higher-end models. On balance, owners and reviewers rate the Seiko Prospex Land highly for its comfortable wearability and attractive finishing at its price point.

From video reviewers

The watch's bezel action is smooth and precise. The watch's lume is somewhat lacking, with the hour markers not being as bright as they'd like. Reviewers disagree on the ideal case size, with some preferring 38mm and others 41.4mm.

Studio Underd0g Full Moon

Owners widely praise the Studio Underd0g Full Moon's harmonious creamy dial and its 37mm case, which fits flawlessly. The innovative sapphire disc with numerals is a highlight, though two visible screws holding it are noted as a minor aesthetic drawback. Some owners find the watch overpriced, while others see value in the upgraded Sellita movement under $1k. Lume is surprisingly good, and the included NATO strap is preferred by some over the leather. Accuracy ranges from +1/+2 seconds per day to about -6 seconds per day. On balance, owners rate the Studio Underd0g Full Moon highly for its versatile dial and well-fitting case at the price point.

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