Seiko Cal. 6646 - 988

This Spring Drive model from 1997 features a 45mm PVD Black case. Powered by the 6646 caliber with 17j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-8eef669a7c61]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1997

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