Seiko Cal. 5664 - 642

The Seiko 5664-642 represents an important milestone in Seiko's 1984 lineup. Powered by the 5664 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-956e676f91fc]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

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