Seiko Cal. 7170 - 845

The Seiko 7170-845 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a3cf5bd9a223]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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