Seiko Cal. 6320 - 538

This Solar model from 1976 features a 37mm Two-Tone case. Powered by the 6320 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-412cf447758f]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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