Seiko Cal. 4577 - 203

The 4577-203 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-5cba604facdd]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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