Seiko Cal. 6641 - 245

The Seiko 6641-245 represents an important milestone in Seiko's 1987 lineup. Powered by the 6641 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-6ffd2bdfdbb5]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1987

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