Seiko Cal. 7170 - 990

The Seiko 7170-990 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-de6199cb5701]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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