Seiko Cal. 6641 - 568

Released in 1978, the Cal. 6641 with design code 568 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ff81598f49d4]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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