Seiko Cal. 7091 - 181

Seiko 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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