Seiko Cal. 4557 - 712

The Seiko 4557-712 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-0d26e8939a40]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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