Seiko Cal. 3884 - 367

This Spring Drive model from 1966 features a 34mm PVD Black case. Powered by the 3884 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-043c185d0644]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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