Seiko Cal. 7091 - 181

This Quartz model from 1970 features a 37mm Two-Tone case. Powered by the 7091 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-3453be309cb1]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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