Seiko Cal. 3881 - 863

The 3881-863 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-0bc77721e0c0]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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