Seiko Cal. 7031 - 535

Seiko 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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