Seiko Cal. 6665 - 557

This Solar model from 1966 features a 37mm Two-Tone case. Powered by the 6665 caliber with 28j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-3ce67577eec5]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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