Seiko Cal. 7180 - 947

The 7180-947 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7180 caliber with 27j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-645512d7fbcf]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1973

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