Seiko Cal. 4447 - 175

The Seiko 4447-175 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-80ebdc8bed4e]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

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