Seiko Cal. 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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