Seiko Cal. 6641 - 851

The Seiko 6641-851 represents an important milestone in Seiko's 1999 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8bd1084ba94a]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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