Seiko Cal. 3872 - 350

The Seiko 3872-350 represents an important milestone in Seiko's 1976 lineup. Powered by the 3872 caliber with 24j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-e39ae496a25f]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1976

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