Seiko Cal. 3871 - 431

The 3871-431 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2ca6ba12e483]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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