Seiko Cal. 3874 - 447

The Seiko 3874-447 represents an important milestone in Seiko's 1983 lineup. Powered by the 3874 caliber with 29j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-81e8da84806f]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1983

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