Seiko Cal. 6641 - 447

The Seiko 6641-447 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-b9b1eb8c5d0b]

Also known as: Pogue, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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