Seiko Cal. 3890 - 778

The Seiko 3890-778 represents an important milestone in Seiko's 1972 lineup. Powered by the 3890 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-f5bd0c7f7ed2]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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