Seiko Cal. 3880 - 978

The 3880-978 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3880 caliber with 35j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-b6366ebea1e0]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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