Seiko Cal. 6636 - 172

This Automatic model from 1994 features a 39mm Stainless Steel case. Powered by the 6636 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-562bcf81e89f]

Also known as: Monster, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1994

Related Models

• Seiko 5633-135
• Seiko 6629-375
• Seiko 4546-147
• Seiko 6675-230
• Seiko 6237-862
• Seiko 4429-177
• Seiko 4424-944
• Seiko 0777-225
• Seiko 6650-249
• Seiko 5615-245
• Seiko 7098-659
• Seiko 5231-699