Seiko Cal. 6661 - 431

The Seiko 6661-431 represents an important milestone in Seiko's 1999 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4565a9d0e862]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1999

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