Seiko Cal. 6646 - 597

The Seiko 6646-597 represents an important milestone in Seiko's 1999 lineup. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-ffbb47e6cc98]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1999

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