Seiko Cal. 3878 - 575

The Seiko 3878-575 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f46ec337e05b]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1987

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