Seiko Cal. 6641 - 440

Released in 1986, the Cal. 6641 with design code 440 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-acd79fad3be9]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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