Seiko Cal. 5657 - 946

The Seiko 5657-946 represents an important milestone in Seiko's 1989 lineup. Powered by the 5657 caliber with 29j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9cba97e39e2c]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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