Seiko Cal. 6166 - 740

Released in 1972, the Cal. 6166 with design code 740 was part of Seiko's domestic market collection. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a72f24fa5ad0]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

Related Models

• Seiko 5241-753
• Seiko 6165-197
• Seiko 6359-152
• Seiko 6332-890
• Seiko 5662-567
• Seiko 6293-183
• Seiko 4438-982
• Seiko 7180-170
• Seiko 6629-111
• Seiko 5284-383
• Seiko 6357-804
• Seiko 6684-572