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Home/Browse/Seiko/Baby Alpinist
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Seiko Baby Alpinist
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Seiko · Prospex Land

Seiko Baby Alpinist

Field

$725Stock unknown

21 matched eBay listings

Case

Diameter
38mm
Material
Stainless Steel
Water resistance
200m

Crystal & dial

Crystal
Sapphire
Shape
Curved
AR coating
Anti-reflective coating on inner surface
Lume
LumiBrite on hands and index(es)

Movement

Caliber
Seiko 6R35
Type
Automatic
Power reserve
70h
Jewels
24

Seiko

Seiko's upgraded automatic caliber offering a substantial 70-hour power reserve, nearly double the 4R35 it replaces in higher-end Presage and Prospex models. The extended reserve is achieved through a longer mainspring while maintaining the same 21,600 vph beat rate. Accuracy is tightened to -15/+25 seconds per day compared to the 4R35's wider tolerance. Represents Seiko's push to compete with Swiss movements offering 80-hour reserves.

Design language

Case shape
round
Dial style
textured
Bezel
fixed
Bracelet
lug-attached
Hands
dauphine

AI-detected from the product image

Prospex Land collection · 6 watches

Alpinist
Alpinist39.5mm
Prospex Alpinist Mechanical GMT
Prospex Alpinist Mechanical GMT39.5mm
Prospex Land Mechanical
Prospex Land Mechanical39.5mm
Prospex Land Mechanical GMT
Prospex Land Mechanical GMT39.5mm
Prospex Land Seiko Boutique exclusive model
Prospex Land Seiko Boutique exclusive model38mm

2 colorways

Size
Alternatives

01The market

Market prices.

Retail$725

The forum market

See what sellers are asking.

Active listings4Across watch forums
Closed · 30d4Asking-price history

Browse forum listings and their asking prices. Market+ adds medians with their sample sizes and the weekly trend.

Retail stock & market context

Seiko on the secondhand market

+10.5%

2026 so far · +5.8% to +16.3% · 91 matched watches

In line with the index

Field watches as a group: +8.8% · 66 matched watches

Year-by-year readings →

02The connection engine

More like this.

Seiko Alpinist

Seiko

Alpinist

39.5mm · Automatic$750

Seiko Prospex Land Seiko Boutique exclusive model

Seiko

Prospex Land Seiko Boutique exclusive model

38mm · Automatic$875

Boldr Five-in-a-Row

Boldr

Five-in-a-Row

38mm · Automatic$399

Boldr Marine

Boldr

Marine

40mm · Automatic$439

Boldr The Vogelkop

Boldr

The Vogelkop

40mm · Automatic$449

Dryden Heartlander Solar

Dryden

Heartlander Solar

38mm · Automatic$279

View all alternatives

03The community take

Owners talk.

“

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.

Synthesized from 5 sources
Reddit·2↗
A Blog to Watch↗
WatchCrunch↗
WatchUSeek↗
Open the discussion

On video

On real wrists · 16

04The paper trail

In collections

Buy-List

Collection · 3 watches

Grails

Collection · 23 watches

Buy Next

Collection · 21 watches

Compared in

vs Henry Archer Vesterhav +1

Comparison · 3 watches

Cross-shops

Popular comparisons.

The matchups people make with the Seiko Baby Alpinist most: open one to see it side by side.

  • Henry Archer Vesterhavvs Seiko Baby Alpinist→
  • Seiko Prospex Seavs Seiko Baby Alpinist→
  • Tissot Seastar 1000vs Seiko Baby Alpinist→
  • Citizen Tsuyosavs Seiko Baby Alpinist→
Ask the communityStart a discussion about the Baby Alpinist: get takes from other collectors.Ask →

05The discussion

Talk about the Seiko Baby Alpinist.