Seiko Cal. 7031 - 858

Seiko 7031-858

This Spring Drive model from 1981 features a 34mm Gold-Plated case. Powered by the 7031 caliber with 24j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-ff88108b40cd]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
24j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1981

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seikata-wm-ff88108b40cd