Seiko Cal. 3880 - 675

This Solar model from 1973 features a 37mm Two-Tone case. Powered by the 3880 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8276c72a0417]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

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