Seiko Cal. 6631 - 414

The 6631-414 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-0f664ac7a6e0]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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