Seiko Cal. 4475 - 306

The Seiko 4475-306 represents an important milestone in Seiko's 1971 lineup. Powered by the 4475 caliber with 34j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-42e1a6b37a56]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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