Seiko Cal. 3872 - 383

The Seiko 3872-383 represents an important milestone in Seiko's 1971 lineup. Powered by the 3872 caliber with 29j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-b188bb712fd2]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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