Seiko Cal. 3880 - 978

Seiko 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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