Seiko Cal. 6391 - 331

The 6391-331 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-6ec5bee1b9ad]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1992

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