Seiko Cal. 7031 - 155

Seiko 7031-155

The Seiko 7031-155 represents an important milestone in Seiko's 1982 lineup. Powered by the 7031 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-e199fa68fd7f]

Also known as: Tuna, Emperor

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1982

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