Seiko Cal. 5684 - 391

The Seiko 5684-391 represents an important milestone in Seiko's 1999 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fdb08bb57fb7]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1999

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