Seiko Cal. 6353 - 550

The Seiko 6353-550 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-63694ae3cb10]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1968

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