Seiko Cal. 4435 - 557

The Seiko 4435-557 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-6089c6c8e0bf]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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