Seiko Cal. 7018 - 381

The 7018-381 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-931bcb21167c]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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