Seiko Cal. 5690 - 557

This Quartz model from 1979 features a 41mm Two-Tone case. Powered by the 5690 caliber with 34j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-f5c30abbc08f]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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