Seiko Cal. 5684 - 825

The Seiko 5684-825 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-7568d9e1521b]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1979

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