Seiko Cal. 6634 - 663

This Solar model from 1981 features a 44mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-d6b43358cc31]

Also known as: Monster, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

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