Seiko Cal. 3878 - 787

Released in 1985, the Cal. 3878 with design code 787 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-be34beae0368]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1985

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