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Seiko Alpinist SPB121
Same family, reference not stated, not this exact reference. Photo: 663highland, Wikimedia Commons, CC BY 2.5 (https://creativecommons.org/licenses/by/2.5). Resized and converted to AVIF and WebP. Source

Seiko, Field

Alpinist

Ref. SPB121, 2020

Same family, reference not stated

Heir to the 1959 Alpinist and the green SARB017, with a sapphire crystal and 70 hours of power reserve.

€719

Launch list price

Jan 2020. Source: fratellowatches.com

2020 launch price: it may be out of date.

Diameter
39.5 mm
Thickness
13.2 mm
Power reserve
70 h
Water resistance
200 m
Movement
Automatic
Material
stainless steel

Who it suits

For buyers who want a 39.5 mm automatic with sapphire crystal, 200 m water resistance and 70 hours of power reserve, at a retail price far below the Swiss houses on this list.

Specifications

Case

Diameter
39.5 mm
Thickness
13.2 mm
Material
stainless steel
Shape
round
Water resistance
200 m

Movement

Movement
Automatic
Calibre
6R35
Power reserve
70 h
Frequency
21,600 vph
Jewels
24
Complications
hours, minutes, seconds, date

Dial and strap

Dial
green
Markers
numerals
Date
Yes
Bezel
smooth
Strap
leather, brown

Record

Line
Prospex Alpinist
Year
2020
Status
Not confirmed
Range
Mid-range

Alternatives

Why it matters

Sources

  1. seikowatches.com
  2. fratellowatches.com

Record confidence: medium. Anything unverified stays marked, never estimated.