Seiko Cal. 6641 - 741

The Seiko 6641-741 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-d197bba8847c]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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