Seiko Cal. 6170 - 391

This Hand-Winding model from 1965 features a 34mm Two-Tone case. Powered by the 6170 caliber with 22j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-989a6a61c7b8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1965

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