Seiko Cal. 7018 - 104

Seiko 7018-104

The 7018-104 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7018 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-a9bfc24e96fa]

Also known as: Tuna, Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1977

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