Seiko Cal. 6647 - 550

This Spring Drive model from 1996 features a 34mm Two-Tone case. Powered by the 6647 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-0ffd1e71d9e5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1996

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