Seiko Cal. 6636 - 168

The Seiko 6636-168 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-85c640f3ad00]

Also known as: Rally, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1988

Related Models

• Seiko 5699-232
• Seiko 7039-143
• Seiko 6261-747
• Seiko 6648-813
• Seiko 3846-530
• Seiko 6297-614
• Seiko 5650-872
• Seiko 7010-557
• Seiko 7060-236
• Seiko 7091-855
• Seiko 6265-926
• Seiko 7075-683