Seiko Cal. 6646 - 156

Released in 1988, the Cal. 6646 with design code 156 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9a731d5b1a2e]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

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