Seiko Cal. 6641 - 509

The Seiko 6641-509 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-4e5e7bbe96b8]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

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