Seiko Cal. 5660 - 457

Released in 1980, the Cal. 5660 with design code 457 was part of Seiko's domestic market collection. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-ced83eb5afe0]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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