Seiko Cal. 6320 - 447

The Seiko 6320-447 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-eb44a971abb3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

Related Models

• Seiko 6156-781
• Seiko 6126-113
• Seiko 4466-455
• Seiko 6620-264
• Seiko 4413-508
• Seiko 0788-127
• Seiko 6129-207
• Seiko 4475-704
• Seiko 6145-970
• Seiko 7159-612
• Seiko 6637-360
• Seiko 6252-424