Seiko Cal. 6331 - 585

This Solar model from 1973 features a 35mm PVD Black case. Powered by the 6331 caliber with 36j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-9be05374609f]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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