Seiko Cal. 6630 - 997

This Solar model from 1978 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-573d7115dc0f]

Also known as: UFO, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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