Seiko Cal. 6648 - 684

This Hand-Winding model from 1990 features a 38mm Hardlex-Coated Steel case. Powered by the 6648 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-a29e6cec8acf]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1990

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