Seiko Cal. 6656 - 977

The Seiko 6656-977 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-134ab8db864b]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

Related Models

• Seiko 6314-102
• Seiko 0795-913
• Seiko 5660-594
• Seiko 5688-647
• Seiko 4597-791
• Seiko 7196-101
• Seiko 6114-929
• Seiko 7027-741
• Seiko 4542-925
• Seiko 3860-541
• Seiko 7131-867
• Seiko 6358-255