Seiko Cal. 5657 - 897

The Seiko 5657-897 represents an important milestone in Seiko's 1983 lineup. Powered by the 5657 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-9c9e95f75983]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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