Seiko Cal. 7170 - 316

This Automatic model from 1977 features a 44mm PVD Black case. Powered by the 7170 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-8fba9ffc4b7f]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 7018-999
• Seiko 3843-716
• Seiko 4497-927
• Seiko 3850-325
• Seiko 7030-622
• Seiko 5624-990
• Seiko 7166-153
• Seiko 4574-251
• Seiko 5226-415
• Seiko 3870-331
• Seiko 0713-903
• Seiko 6683-326