Seiko Cal. 3879 - 684

The 3879-684 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3879 caliber with 35j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-424c5f37bec1]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1978

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