Seiko Cal. 6355 - 726

The Seiko 6355-726 represents an important milestone in Seiko's 1972 lineup. Powered by the 6355 caliber with 20j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-4d66f9f9d1fb]

Also known as: Sumo, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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