Seiko Cal. 7180 - 509

Seiko 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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