Seiko Cal. 3871 - 447

This Spring Drive model from 1978 features a 46mm Stainless Steel case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-316bafa2a7f4]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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