Seiko Cal. 6321 - 541

The Seiko 6321-541 represents an important milestone in Seiko's 1983 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-356605262c97]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

Related Models

• Seiko 6369-981
• Seiko 3884-373
• Seiko 3827-273
• Seiko 6146-911
• Seiko 7135-717
• Seiko 6236-425
• Seiko 5613-681
• Seiko 5284-980
• Seiko 6633-585
• Seiko 3816-116
• Seiko 7138-747
• Seiko 5667-456