Seiko Cal. 5657 - 287

The Seiko 5657-287 represents an important milestone in Seiko's 1996 lineup. Powered by the 5657 caliber with 27j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-5ab9d9bda0ee]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1996

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