Seiko Cal. 6641 - 907

Released in 1998, the Cal. 6641 with design code 907 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-9254f52f1a27]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1998

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