Seiko Cal. 3871 - 423

The Seiko 3871-423 represents an important milestone in Seiko's 1978 lineup. Powered by the 3871 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-15c8b4b6e1a6]

Also known as: Panda, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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