Seiko Cal. 4556 - 300

This Hand-Winding model from 1974 features a 36mm Two-Tone case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-ea7ba7c3128e]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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