Seiko Cal. 6641 - 250

The Seiko 6641-250 represents an important milestone in Seiko's 1998 lineup. Powered by the 6641 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-b778cf0e71b0]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1998

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