Seiko Cal. 7131 - 110

The 7131-110 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-36491d0a8931]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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