Seiko Cal. 4412 - 917

The Seiko 4412-917 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-49f40e63684d]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1985

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