Seiko Cal. 6641 - 549

The Seiko 6641-549 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-d14316e08b37]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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