Seiko Cal. 4475 - 972

Released in 1966, the Cal. 4475 with design code 972 was part of Seiko's domestic market collection. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-00ec0ed5ea47]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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