Seiko Cal. 6641 - 393

The Seiko 6641-393 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ad4727b7013a]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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