Seiko Cal. 5661 - 324

The Seiko 5661-324 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-caabf835dbf9]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1980

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