Seiko Cal. 0778 - 691

Released in 1981, the Cal. 0778 with design code 691 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cc7f7cf31ed1]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1981

Related Models

• Seiko 6388-443
• Seiko 6696-496
• Seiko 6678-182
• Seiko 5213-896
• Seiko 4443-921
• Seiko 0754-842
• Seiko 4431-402
• Seiko 6147-975
• Seiko 7175-968
• Seiko 6646-879
• Seiko 4550-853
• Seiko 6668-797