Seiko Cal. 5661 - 201

The Seiko 5661-201 represents an important milestone in Seiko's 1972 lineup. Powered by the 5661 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b8fea883ed17]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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