Seiko Cal. 7031 - 535

The 7031-535 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7031 caliber with 24j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-339c1ec01d7e]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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