Seiko Cal. 6665 - 438

The Seiko 6665-438 represents an important milestone in Seiko's 1995 lineup. Powered by the 6665 caliber with 36j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-2fa529f5051a]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1995

Related Models

• Seiko 0744-854
• Seiko 3825-251
• Seiko 6689-772
• Seiko 5274-149
• Seiko 7074-770
• Seiko 5675-968
• Seiko 5673-367
• Seiko 0760-439
• Seiko 6635-562
• Seiko 6341-355
• Seiko 5656-542
• Seiko 0758-663