Seiko Cal. 6630 - 160

The 6630-160 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-a50321e16d13]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1989

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