Seiko Cal. 6636 - 104

Released in 1998, the Cal. 6636 with design code 104 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-d20cef371bb5]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1998

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