Seiko Cal. 3879 - 432

The Seiko 3879-432 represents an important milestone in Seiko's 1973 lineup. Powered by the 3879 caliber with 18j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-8b6cfa85780d]

Also known as: Bellmatic, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1973

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