Seiko Cal. 3878 - 739

The 3878-739 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-941a676be6ab]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

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