Seiko Cal. 5684 - 397

The 5684-397 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5684 caliber with 29j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-4ad0f75d9b7b]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

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