Seiko Cal. 6655 - 720

Released in 1999, the Cal. 6655 with design code 720 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-5ee0f3ff98ab]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1999

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