Seiko Cal. 7120 - 347

The 7120-347 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7120 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-8d5ee91e3327]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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