Seiko Cal. 6648 - 531

The Seiko 6648-531 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c19d813240cf]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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