Seiko Cal. 6353 - 639

The Seiko 6353-639 represents an important milestone in Seiko's 1972 lineup. Powered by the 6353 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-d4cad0ff402c]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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