Seiko Cal. 6636 - 807

Released in 1970, the Cal. 6636 with design code 807 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-52d7fb0f39d2]

Also known as: Navigator, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

Related Models

• Seiko 7160-891
• Seiko 6159-402
• Seiko 6142-357
• Seiko 6656-595
• Seiko 4426-948
• Seiko 7138-678
• Seiko 7194-910
• Seiko 0742-274
• Seiko 4486-984
• Seiko 4591-284
• Seiko 6629-148
• Seiko 0791-576