Seiko Cal. 5657 - 636

The Seiko 5657-636 represents an important milestone in Seiko's 1989 lineup. Powered by the 5657 caliber with 25j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-1fc94c577ba7]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1989

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