Seiko Cal. 6638 - 408

The Seiko 6638-408 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-08ebac7ec563]

Also known as: Pogue, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

Related Models

• Seiko 5672-154
• Seiko 4578-700
• Seiko 4547-343
• Seiko 7046-350
• Seiko 5274-747
• Seiko 7046-654
• Seiko 4573-727
• Seiko 3836-133
• Seiko 4417-677
• Seiko 5293-440
• Seiko 5674-976
• Seiko 4525-370