Seiko Cal. 7131 - 362

The 7131-362 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-2271e84bc129]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1969

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