Seiko Cal. 4577 - 132

The 4577-132 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-18a7fc2ae8db]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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