Seiko Cal. 6172 - 866

This Hand-Winding model from 1975 features a 39mm Two-Tone case. Powered by the 6172 caliber with 32j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-a9a2a36bbaf8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

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