Seiko Cal. 7180 - 509

The Seiko 7180-509 represents an important milestone in Seiko's 1978 lineup. Powered by the 7180 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-99d02aa536ec]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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