Seiko Cal. 5646 - 537

The Seiko 5646-537 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-35531668c925]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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