Seiko Cal. 3878 - 788

The Seiko 3878-788 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-03c9f26e540d]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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