Seiko Cal. 7031 - 511

The 7031-511 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-d2a54ab43c73]

Also known as: Goldfeather, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

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