Seiko Cal. 5284 - 650

The Seiko 5284-650 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bbc895f33bac]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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