Seiko Cal. 7160 - 820

This Hand-Winding model from 1972 features a 34mm Two-Tone case. Powered by the 7160 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-97184f556b10]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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