Seiko Cal. 6621 - 857

The 6621-857 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-5923fede0932]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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