Seiko Cal. 7170 - 392

This Hand-Winding model from 1983 features a 46mm Titanium case. Powered by the 7170 caliber with 20j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-3da214b2da08]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1983

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