Seiko Cal. 7175 - 553

This Spring Drive model from 1978 features a 46mm PVD Black case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-efbaacf4f47d]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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