Seiko Cal. 7170 - 310

The Seiko 7170-310 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8bad6ad6eb2c]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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