Seiko Cal. 5660 - 220

The Seiko 5660-220 represents an important milestone in Seiko's 1993 lineup. Powered by the 5660 caliber with 36j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-ec00745dc48b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1993

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