Seiko Cal. 4456 - 188

The 4456-188 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-b180c3e6823e]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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