Seiko Cal. 6638 - 872

Released in 1999, the Cal. 6638 with design code 872 was part of Seiko's domestic market collection. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-71fff8ecbb13]

Also known as: Shogun, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1999

Related Models

• Seiko 4549-971
• Seiko 6192-211
• Seiko 0749-311
• Seiko 7010-380
• Seiko 7029-164
• Seiko 5276-407
• Seiko 7110-183
• Seiko 7121-885
• Seiko 6222-198
• Seiko 3883-595
• Seiko 6242-981
• Seiko 4598-755