Seiko Cal. 5657 - 234

This Kinetic model from 1985 features a 40mm PVD Black case. Powered by the 5657 caliber with 27j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-f8509c73a8b3]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1985

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