Seiko Cal. 7170 - 720

This Hand-Winding model from 1977 features a 46mm Gold-Plated case. Powered by the 7170 caliber with 33j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-45a02f056dfa]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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