Seiko Cal. 3878 - 289

The Seiko 3878-289 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-117f07f06c1d]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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