Seiko Cal. 6646 - 262

Released in 1978, the Cal. 6646 with design code 262 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-8aa8aa8f6920]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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