Seiko Cal. 7170 - 231

Seiko 7170-231

This Automatic model from 1968 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-b8fe02fe6435]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1968

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