Seiko Cal. 6677 - 306

The Seiko 6677-306 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-80b12e84d799]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

Related Models

• Seiko 0736-145
• Seiko 6661-712
• Seiko 6243-570
• Seiko 6288-740
• Seiko 6166-295
• Seiko 3837-315
• Seiko 0762-799
• Seiko 0736-838
• Seiko 6274-875
• Seiko 5611-727
• Seiko 4465-684
• Seiko 6612-486