Seiko Cal. 4556 - 313

The 4556-313 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-0bf84537a5a8]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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