Seiko Cal. 3878 - 573

The 3878-573 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3878 caliber with 30j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-ee4599d2f36b]

Also known as: Samurai, Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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