Seiko Cal. 7170 - 827

This Hand-Winding model from 1980 features a 40mm PVD Black case. Powered by the 7170 caliber with 27j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-40081d41b8da]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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