Seiko Cal. 3878 - 728

The 3878-728 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-68757525d287]

Also known as: Shogun, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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