Seiko Cal. 3878 - 487

The 3878-487 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2ae9ea54b94e]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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