Seiko Cal. 6656 - 204

This Hand-Winding model from 1977 features a 42mm Two-Tone case. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-342b8ebba949]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 5287-477
• Seiko 5614-375
• Seiko 5258-440
• Seiko 3883-273
• Seiko 7090-922
• Seiko 6259-299
• Seiko 6164-559
• Seiko 5276-922
• Seiko 3834-850
• Seiko 6142-293
• Seiko 6624-481
• Seiko 3811-881