Seiko Cal. 6128 - 721

Released in 1977, the Cal. 6128 with design code 721 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-cd15ede67bdf]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

Related Models

• Seiko 6262-949
• Seiko 3869-879
• Seiko 4427-961
• Seiko 4564-559
• Seiko 7029-574
• Seiko 7178-407
• Seiko 6655-480
• Seiko 6185-831
• Seiko 7180-402
• Seiko 5294-623
• Seiko 3836-932
• Seiko 6272-399