Seiko Cal. 7131 - 912

The Seiko 7131-912 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-420b9bdf56d7]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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