Seiko Cal. 6656 - 740

The Seiko 6656-740 represents an important milestone in Seiko's 1995 lineup. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-9ba4373fb7e1]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1995

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