Seiko Cal. 6391 - 421

This Solar model from 1971 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-aea2e685f774]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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