Seiko Cal. 5660 - 698

The 5660-698 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-b28ba47b1592]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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