Seiko Cal. 3878 - 988

The Seiko 3878-988 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-73dca2c705ad]

Also known as: Samurai, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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