Seiko Cal. 6660 - 957

Released in 1999, the Cal. 6660 with design code 957 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8e9eddb7beea]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1999

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