Seiko Cal. 4416 - 427

The Seiko 4416-427 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6615e4087ce3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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