Seiko Cal. 4577 - 203

This Spring Drive model from 1983 features a 43mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-2d5ff58e9f9f]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1983

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