Seiko Cal. 6636 - 980

This Hand-Winding model from 1989 features a 42mm PVD Black case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c24cd6e20f99]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

Related Models

• Seiko 3817-823
• Seiko 5237-764
• Seiko 6267-721
• Seiko 6322-557
• Seiko 5628-629
• Seiko 4583-712
• Seiko 7066-940
• Seiko 7053-756
• Seiko 0723-956
• Seiko 6178-205
• Seiko 7036-584
• Seiko 6152-896