Seiko Cal. 5661 - 432

The Seiko 5661-432 represents an important milestone in Seiko's 1988 lineup. Powered by the 5661 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-890216e27bbf]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1988

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