Seiko Cal. 5661 - 443

The Seiko 5661-443 represents an important milestone in Seiko's 1980 lineup. Powered by the 5661 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-5ef7220571fc]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

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