Seiko Cal. 7020 - 310

Seiko 7020-310

This Automatic model from 1965 features a 38mm Gold-Plated case. Powered by the 7020 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-14f1cc531084]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1965

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