Seiko Cal. 6656 - 221

The 6656-221 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-e366ab5bd5c9]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1997

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