Seiko Cal. 6638 - 351

This Kinetic model from 1997 features a 36mm Two-Tone case. Powered by the 6638 caliber with 21j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-d128b300dcff]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1997

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